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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.-–It’s almost eight, but Tom hasn’t turned up. He may not be here. -–He will. He never _____on his words.
#84165
A
goes back
B
comes back
C
gives back
D
gets back
The students all wear the same uniform,so it’s hard for me to ________my son among them.
#64604
A
bring out
B
pick out
C
pick up
D
break out.
Tom studies harder this term. _________, he has made great progress in his lessons.
#64142
A
Instead
B
After all
C
By the way
D
As a result