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
Our teacher keeps telling us that the future     to the well-educated.
#71285
A
belonging
B
belongs
C
is belonging
D
is belonged
______ Chemistry is a branch of Chemistry.
#82491
A
Applying
B
Apply
C
Applied
D
Applicant
He said he would ________ me to Mr.Li as his assistant.
#63912
A
comment
B
suggest
C
command
D
recommend