Our teacher is always busy preparing lessons until 11 o’clock at night, _____we students have gone to sleep.
A.that time | B.by which time | C.by that time | D.which time |
The school headmaster forbids ______ in the office.
A. smoking B. to smoke C. us smoke D. from smoking
We were listening closely to the lecture yesterday evening when suddenly the light ________.
A.had been gone out | B.go out |
C.was gone out | D.went out |
________ the manager has arrived, we can begin our discussion right away.
A.If | B.When | C.Now that | D.Even if |
He has always insisted on _______ Dr Turner instead of Mr Turner.
A.been called | B.called | C.calling | D.being called |
After a short ________, I got my bag from the thief’s hand successfully.
A.exchange | B.explanation | C.encouragement | D.struggle |