Space exploration projects will ______ the whole
of mankind, not only scientists.
benefit
This exercise is just too difficult. I can’t do it
____________ someone helps me with it.
unless
I’d prefer to buy a laptop rather ____________ a PC.
than
As for tomorrow morning, I thought we ____________
visit the Science Museum.
should / could / might / ought to
First, we’ll find the missing children. Immediately after
that, we’ll inform their parents.
As _________________________ the missing children,
we’ll inform their parents. HAVE
soon as we have found
We’re looking for volunteers to establish the first human
_________ on Mars.
settlement
Some people believe that the human _______ will have
to leave the Earth in the future
race
This sweater is not enough! You should take a warm
jacket ____________ it gets cold later in the evening.
in case
____________ you’ve downloaded this software, you
run the installation program.
Once / After / When
The ______ on the Moon is much lower than that
on the Earth, so all objects seem to be lighter.
gravity
Don’t make such an important decision until you
____________ (be) really sure of it.
are
My antivirus software is a year old so I need to
____________ it to fully protect my computer.
update
I’d like to ____________ these photos online with my
friends. Can you show me how to upload them?
share
No, you can’t play computer games! I want you to tidy
your room first!
You can’t play computer games
_________________________ your room! TIDIED
until / before you have tidied
We often _____ experiments during chemistry lessons
do
I prefer watching documentaries ____________ reading
books.
to
This website is difficult to ____________. It’s not easy
to find what you need.
navigate
I promise I ____________ (contact) you as soon as
I ____________ (get) back home from my holiday.
will contact / get
I think we need to walk back to the hostel ____________
it gets dark. I don’t want to be lost in the mountains
after dark.
before
Most of the time, I use Google to find things online but
sometimes I use another search ____________ called
Yahoo.
engine
The team are _____ some research into a number
of green energy sources.
doing
Let’s _____ a look at the exercise again.
take
Do you ever leave ____________ on online shopping
sites to say if you would recommend them or not?
feedback
I wouldn’t ____________ for that option because it’s
not really exciting.
go
First, we need to discuss the problem. Then we’ll decide
on a solution.
We’ll decide on a solution once
_________________________. DISCUSSED
we have discussed the problem
Susan says that after she ____________ (leave) school
next year, she ____________ (take) a gap year to work
abroad.
leaves / will take
I don’t think I could ever _____ without a smartphone.
do
My friend _______ very good notes, so I often
borrow her notebook.
takes / makes
I don’t want to ____ the same mistake again.
do
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