Fifteen-year-olds ________ to have jobs in China.
#44575
A
is not allowed
B
are allowed
C
is allowed
D
are not allowed
推荐题目
A lot of trees ______ on the hill yesterday.
#44945
A
are planted
B
will be planted
C
have been planted
D
were planted
 Personal computers ______ in 1976. It has changed the whole world.
#44711
A
have invented
B
were invented
C
is invented
D
invented
Many accidents_____ by careless drivers last year. 
#44673
A
are caused
B
were caused
C
have caused
D
will cause