“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
Since the beginning of this term, I’ve made _____________ in my English study.
#5683
A
a lot of progress
B
such a great progress
C
a lot of progresses
D
so great progress
How many _____ would you like?
#6896
A
orange  
B
bottle of orange
C
a bottle of orange
D
bottles of orange
His mother was in hospital. He asked for ___ to look after his mother.
#6997
A
three-day’s sick leave
B
three day’s sick leave
C
three days’ sick leave
D
three-days’ sick leave