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【单选题】
He studied very hard all the time because he didn’t want to __________in his studies.
A.
fall behind
B.
be left behind
C.
left behind
D.
Both A and B
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Do let your mother know all the truth．She appearseverything.
A.
to tell
B.
to be told
C.
to be telling
D.
to have been told
【单选题】The police have________to look into the cause of the accident. [ ]
A.
set about
B.
set aside
C.
set out
D.
set up
【单选题】— Would you like to go camping with me when the summer holiday comes?— I really dislike camping, but I will ______ you if you insist.[ ]
A.
company
B.
companion
C.
accompany
D.
compare
【单选题】He________an engineer by an oil company in the Middle East.
A.
was employed as
B.
employed as
C.
was employed for
D.
employed
【单选题】She was terrified of saying something that would make her____ herself.
A.
express
B.
conduet
C.
impress
D.
betray
【单选题】Be careful when you cross this busy street．If not, you may run over by a car.[ ]
A.
have
B.
get
C.
become
D.
turn
【单选题】All those old buildings ______ down tomorrow. [ ]
A.
will be knocked
B.
will knock
C.
will have knocked
D.
knock
【单选题】There is still a ___________ doubt among them as to the practical value of the building.[ ]
A.
specific
B.
sure
C.
some
D.
certain