The sign on the wall of the library says, “No magazine is allowed ______ out of the reading room”.
A.being taken
B.to take
C.to be taken
D.taking
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People believe writing poems provides a ______ through which they can express their feelings.
A.shelter
B.source
C.Channel
D.background
Paul did a great job in the speech contest. He ______ many times last week.
A.need have practised
B.might practise
C.must have practised
D.could practise
The course normally attracts about 100 students per year, ______ up to half will be from abroad.
A.Who
B.of which
C.When
D.of whom
Mary’s description of the party was so vivid that I felt as if I_______there.
A.would be
B.might have been
C.would have been
D.had been