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
You can take the rest of the pie with you. ___________, I wish you would, since I’m on a diet.
#64430
A
On the other hand
B
As a matter of fact
C
As a consequence
D
In addition to it
He was so _______ thought that he didn’t see the pole on the road
#66429
A
buried in
B
careful with
C
busy with
D
serious about
A group of soldiers went into the woods _______ the missing pilot.
#71053
A
search for
B
in search of
C
searched for
D
searched of