I told Sally how to get here, but perhaps I ______for her.
| A．had to write it out | B．must have written it out |
| C．should write it out | D．ought to have writte it out |
The number of people invited ______ fifty, but a number of them ______ not seen at the meeting.
| A．was; were | B．was; was |
| C．were; was | D．were; were |
A student should not ______ small errors, which might lead to serious mistakes in the future.
| A．overcome | B．overhead |
| C．overtake | D．overlook |
— ______ I’m very busy now. Could I call you back after work?
—OK. I'll wait for you.
| A．Actually | B．Occasionally |
| C．Frequently | D．Probably |
It is not right for you to ______ fifty dollars from my salary without any good reason. You should give it back to me.
| A．bring down | B．hold up |
| C．keep back | D．turn down |
—Why do you drink so much coffee?
—Well， ______ it doesn't keep me awake at night， I see no harm in it.
| A．although | B．for |
| C．as long as | D．as far as |