“Why couldn’t they meet us at five o’clock?” “Because they were delayed by _________.”
#7286
A
heavy traffic
B
heavy traffics
C
crowded traffic
D
crowded traffics
推荐题目
The young woman rushed to the hospital ________ she heard the terrible news.
#5796
A
in a moment
B
at the moment
C
the moment
D
for a moment
It is a pity that none of the ______ stopped ______ the poor man lying there, begging. 
#6262
A
passer-bys; to help
B
passers-by; helping
C
passer-bys; helping
D
passers-by; to help