Some politicians are so __________! DISHONEST / UNHONEST

New forms of space travel may .... in the next few years. BE INVENTED or INVENT

Sending a crew to Mars is possible ... we can keep them safe. AS LONG AS or IN CASE

____________ you study, you will not succeed. UNLESS / IN CASE

I'm sorry, but I completely _______ with what you said. DISAGREE / AGREE

I'm optimistic about finding extraterrestrial life, ... we continue to invest on exploration. PROVIDED THAT or UNLESS

I don't believe life ...... discovered on other planets in the near future. WILL BE or HAS BEEN

We'll be glad to go to your party _____________ we can find a babysitter. PROVIDED THAT / UNLESS

I will not drive to work _________ it snows. IN CASE / UNLESS

I don't think humans could ... on any other planet. BE SURVIVED or SURVIVE

_________ we are late, don't wait for us. WHEN / IN CASE

NASA may ... a spacecraft to explore Pluto. SEND or BE SENT

They won't show you the exams papers, _________ you ask to see them. PROVIDED THAT / UNLESS