As a rule, domestic servants doing odd jobs are paid ______.
| A．by the hour | B．by hour | C．by an hour | D．by hours |
Peter is my close friend, who can be _______ what he promises.
| A．relied on to do | B．relied to do | C．relied on doing | D．relying to doing. |
The dog was _____its owner’s luggage, so nobody could get it.
| A．preserving | B．defending | C．guarding | D．protecting |
.—You were brave enough to raise objections at the meeting.
—Well, now I regret ___ that.
| A．to do | B．to be doing | C．to have done | D．having done |
---What can I do for you?
----- If you _____ see Mr. Smith, give him my regards.
| A．will | B．would | C．shall | D．should |
It has been announces that all takers ____ remain in their seats until all the exam papers have been collected.
| A．can | B．may | C．shall | D．will |