As _______ unemployment is very high at the moment, it’s very difficult for people to find _______ work.
#4838
A
the, 不填
B
不填，不填
C
the, a
D
an, the
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He was busy writing a story, only ______ once in a while to smoke a cigarette.
#4946
A
to stop
B
stopping
C
to have stopped
D
having stopped
. To the surprise of many people, in ten years the city’s population ____ by 12%.
#4688
A
gained
B
expanded
C
developed
D
spread
The newly published book, which refers _______ basic English grammar, is _______only for beginners.
#4675
A
as; meant
B
for; intended
C
to; planned
D
to; intended