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
Whenever you are ______, don’t ______.
#66595
A
in trouble; lose heart
B
in the trouble; lose heart
C
in trouble; lose your heart
D
in the trouble; lose the heart
Canada is a country ________ many different nationalities as well as one with foreign immigrants __________ the majority of its population.
#72336
A
making up of; occupied with
B
consisting of; making up
C
made up of; consisting of
D
consisted of; taking up