—I have not finished with my dinner yet.
—But our friends ______ for us.
| A．will wait | B．wait | C．have waited | D．are waiting |
---Was it the new school headmaster who walked by ?
--- _____.
| A．It must be that | B．It must have been | C．He must be | D．This must have been |
Have you really realized the part computers have_______ in the daily life?
| A．made | B．given | C．caused | D．played |
Bob is determined to get a seat for the concert _______ it means standing in line all night for the ticket.
| A．so that | B．as if | C．even though | D．however |
As is known to all language learners, the newly learnt words will soon be forgotten unless______ used in everyday communication.
| A．gradually | B．loosely | C．exactly | D．frequently |
The woman, when ______ how her husband was injured, began to cry.
| A．ask | B．to ask | C．asking | D．asked |