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
推荐题目
A study shows that people living in non-smoking areas are less likely to ________the habit of smoking．
#70542
A
pick up
B
turn up
C
draw up
D
make up
A technology company will die soon if it can’t _________ to the market fast enough.
#67133
A
reply
B
react
C
lead
D
attend
We firmly believe that war never settles anything. It only ____violence.
#70805
A
runs into
B
comes from
C
leads to
D
results from
The magazine is _____ reading, so he advised me _____ it.
#71338
A
worthy; to buy
B
worthy; buying
C
worth; to buy
D
worth; buy