He talked a lot about things and persons _____they remembered in the school.
A. which B. what
C. whom D. that
There was a time ________the boy often quarreled with his parents.
A. which B. when
C. that D. where
He is _____ his lesson _____ the final exam.
A. preparing; to B. preparing; for
C. ready; to D. ready; for
UN ____ the united Nations.
A. stands for B. mean
C. takes place of D. come from
You watch them until ten o’clock then I’ll ______.
A. take up B. take place
C. take over D. take off
The new dictionaries are very useful, and they __________.
A. sell out B. had sold out
C. have been sold out D. sold out
