The boy pretended ______ his homework, when his parents came back home.
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A
to do
B
do
C
doing
D
to be doing
推荐题目
Someone took away my umbrella, I’d never expect it _______.
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A
returning
B
to be returned
C
return
D
to returning
America is an ________ country.
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A
English-spoken
B
spoken-English
C
English-speaking
D
speaking-English
Mrs. White found her husband surrounded by letters and papers and ______very worried.
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A
look
B
looks
C
looking
D
to look
With many major economic problems________ to be solved, there is no point predicting the growth rate of this year now.
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A
remaining
B
remained
C
have remained
D
having remained
Only ________ according to the directions can the medicine be quite effective.
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A
taking
B
taken
C
being taken
D
having been taken