Complete the following sentences with a suitable past form of should, may, might, could, couldn’t, can’t, must + the verb in brackets

Example: Duncan looked rather upset. He must have misunderstood (misunderstand) me.

1. Michael’s meeting in the Netherlands didn’t go so well. He (arrive) so late for the

meeting.

2. Margaret failed her exam again. She (study) harder.

3. We didn’t receive your last invoice. You (send) it to the wrong address.

4. Emilio (move) abroad. I saw him just yesterday!

5. The new deal we signed wasn’t particularly cost-effective. With more careful preparation, we

(negotiate) a much better price.

6. ABC’s advertising campaign looks very similar to ours. They (copy) our campaign.

7. Angelo is having problems with his English. He (join) the company English course

last year.

8. I didn’t hear the phone ring. I (be) asleep.

9. ‘I can’t find my car keys.’ ‘You (leave) them in the office.’

10. You (attend) the business development conference last month. It was probably

the most interesting and useful conference I’ve been to all year​