1 Complete these sentences with answer a), b) or c).
1 They _ be really happy with us if they’re offering more work.
a) must b) might c) could
2 With only a few more decades before fossil fuels run out, we _ have to find new sources of renewable energy.
a) must b) should c) are going to
3 We believe that this strategy _ generate in the region of a thousand new jobs.
a) ought b) should c) mustn’t
4 Twenty years ago no-one _ imagine the threat their actions were having on the environment faces now.
a) could b) can c) may
5 Everyone says it’s a problem of climate change but I don’t agree. The outcome _ be as bad as everyone thinks.
a) might not b) might c) would
6 I’ve spoken to some of you before and know that you _ be familiar with my ideas on this subject.
a) cannot b) would c) will
7 But I’m certain that any delay to this plan _ cost us a fortune in the long term.
a) would b) may c) must
8 It’s possible that they _ change their minds when they see the costs involved.
a) must b) may c) can
9 Higher interest rates _ to slow down public borrowing.
a) should b) must c) ought
10 It _ be a great help if you could work late tonight.
a) would b) can c) must