Ответ:
- I think she might not have noticed that she b) difficult to understand her.
- I think she may a) remembered she was supposed to meet us at the airport.
- Sometimes it can be c) be delayed at the office.
- We could be late if we don't f) hurry up a bit.
- She might not have d) dropped her scarf when she got out of the taxi.
- Somebody could be e) in danger-I just heard a scream outside.
Ответ: 1-b, 2-a, 3-c, 4-f, 5-d, 6-e
Молодец, ты отлично справился с этим заданием! Так держать!