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B2+ - UNIT 3 - GRAMMAR

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  • That documentary ___ by millions of viewers last night.
    watched
    has watched
    was watched
    is watching
  • The invitations ___ by the secretary before lunch.
    send
    have sent
    was sent
    were sent
  • The pipes ______ with ice. (block up)
    have blocked
    block up
    are blocked up
    were block up
  • One robot ______ emotions. (express)
    expressed
    was expressed
    is expressing
    has expressed
  • Humans ______ to see humanity in robots. (encourage)
    were encouraging
    have encouraged
    have been encouraged
    are encouraging
  • Today, thousands of companies ______ chatbots to give advice.
    use
    uses
    are used
    are using
  • The Mona Lisa ___ by Leonardo da Vinci.
    has painted
    painted
    was painting
    was painted
  • The robot ______ every time it made a mistake. (forgive)
    forgiven
    was forgiven
    is forgiven
    has been forgiven
  • The responses of chatbots ______ on millions of conversations.
    are based
    base
    have based
    were based
  • By 2017, over 30,000 chatbots ______ by over 100 million people.
    was used
    had been used
    had used
    were using
  • The results of the study ___ yet.
    weren’t published
    don’t publish
    haven’t been published
    haven’t published
  • By the time we arrived, the dinner ___.
    was serving
    had been served
    is served
    have been served
  • Chatbots ______ on the internet for many years.
    are existed
    were existed
    have been existed
    have existed
  • Students ___ to submit the form online.
    are required
    were requiring
    requirement
    require
  • A mistake ___ in the report, so we need to review it again.
    have found
    has been found
    found
    was find
  • A new vaccine ___ by scientists at the lab.
    developed
    had developed
    has been developed
    was developing
  • The human participants ______ to cooperate. (ask)
    are asked
    asked
    have asked
    were asked
  • ______ by their use of the word 'pathetic'? (you/shock)
    Are you shocked
    Have you shocked
    Did you shock
    Were you shocking
  • Some participants even ______ to it. (lie)
    have lied
    had lied
    lied
    were lied
  • Can human emotions ______ for world domination? (use)
    be used
    used
    have used
    being used
  • You ______ about your childhood. (ask)
    were asking
    are asked
    have been asked
    asked
  • A general maintenance check ______ out. (can carry out)
    could carried
    was carried
    is carried
    can be carried
  • One robot ______ against another. (compare)
    is compared
    compared
    has been compared
    was compared
  • Is your system ______? (connect)
    connected
    connect
    was connected
    connecting
  • Thousands of texts ___ every second on this platform.
    are sent
    send
    have sent
    is sent
  • The emotions ______ for real. (not feel)
    are not felt
    have not felt
    were not felt
    did not feel
  • The museum ___ next year.
    will be opened
    is opening
    will open
    was opening
  • Most people ______ to a robot to avoid hurting its feelings. (lie)
    would lie
    would be lied
    have lied
    were lied
  • Can your full early database ______? (access)
    has accessed
    accessed
    be access
    be accessed
  • The earliest chatbots ______ for fun by programmers.
    were developed
    developed
    was developed
    had developed
  • Can your aching head ______ with a spare? (replace)
    has been replaced
    is replaced
    have replaced
    be replaced
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