Question

Complete with can , may , must or mustn't .

1• In the Future people __________ travel to Mars.
(possibility)

2• We ___________ reduce air pollution to safe level.
(obligation)

3• Scientists ___________ give precise weather forecasts. (capacity)

4• You ____________ damage the garden. (prohibition)

5• They ___________ see their schedule now. (permission)

6• I _______________ take the next train to Glasgow.
(obligation)

7• We _____________ order cheap canvas from that store.
(possibility)

8• He lives in the country . He ____________ be a farmer.
(prohibition)

9• She ___________ waste her time with that experiment.
(prohibition)

10• My sister ___________ dance rock-and-roll very well.
(capacity)​

Answer 1

1. may

2. must

3. can

4. mustn't

5. may

6. must

7. can

8. mustn't

9. mustn't

10. can