21.The moment we heard the news of the earthquake, we began to ________ the work to rescue those who were trapped in the building.
#80482
A
set off   
B
set down
C
set aside
D
set about
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Rather than________in the city, the old man would prefer______in the count、ryside.
#68219
A
stay; living
B
staying; to live
C
stay; to live
D
to st、ay; live
The medical team ____ five doctors and ten nurses is to be sent to Wenchuan.
#71258
A
consisting of
B
is consisted of
C
consisted of
D
consists of
Helen listened carefully _________ she might discover exactly what John wanted.
#71323
A
so as that
B
in order that
C
in order to
D
so as to