Question

1.Choose the correct words. 1. Perhaps some light exercise could/must relive the pain. 2. He fell asleep at his desk. He might/must have been exhausted. 3. Ann isn't here. She must/can't have forgotten.

Answer 1

1. Perhaps some light exercise could relieve the pain.

2. He fell asleep at his desk. He must have been exhausted.

3. Ann isn't here. She must have forgotten

Answer 2

1. Perhaps some light exercise could relieve the pain.
2. He fell asleep at his desk. He must have been exhausted.
3. Ann isn't here. She must have forgotten.