Children _______ sit in the front seat of a car. It’s too dangerous.
#36775
A
need
B
needn’t
C
must
D
mustn’t
推荐题目
---- Was Kelly late for the meeting? ----- Yes, the meeting _____ for 10 minutes when he _____ to the school.
#38746
A
has begun; gets
B
has been on; gets
C
had begun; got
D
had been on; got
The Whites ___________ many places of interest since they came to China.
#36345
A
visited
B
will visit
C
have visited
D
visit
The lifestyle we were used to ________ a lot these years. 
#39204
A
changing
B
changed
C
has changed
D
being changed