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n
C：had begun
D：began
is____ useful language , we must study hard.
A：an
B：/
C：a
D：some
look really tired .____ stop to have a rest ?
A：Why
B：How about
C：Why not to
D：Why not
, but I____ nothing.
A：hear, listen
B：heard, listened
C：listen, hear
D：listened, heard
China, people usually start____ for Spring Festival one month before it comes.
A：prepare
B：preparing
C：prepares
D：to preparing
18.—____ did you make your trip?— By train.
A：Why
B：How
C：What
D：When
’m trying to sleep. Would you mind____ the music?
A：turn down
B：turning down
C：to turn down
D：to turning down.
sport do you prefer, skating____ skiing?
A：but
B：to
C：or
D：and
is good____ running. He thinks it is good____ his health.
A：for; at
B：at; for
C：at; to
D：for; to
police stayed at home only____ yesterday.
A：half a hour
B：half hour
C：a half hour
D：half an hour
’ve worked in this school____ twenty years.
A：since
B：for
C：after
D：when
cousin works in a factory____ produces clothes.
A：that
B：in which
C：where
D：when
he nor I____ to Shanghai.
A：has gone
B：have gone
C：has been
D：have been
26."____ do you write to your parents ?" "Once a month."
A：How long
B：How much
C：How far
D：How often
his homework three hours ago.
A：finished
B：has finished
C：is finishing
D：is going to finish