The traffic rule says young children under the age of four and ______ less than 40 pounds must be in a child safety seat. 
#90708
A
being weighed
B
to weigh
C
weighing
D
weighed
推荐题目
 David and Jack, _____so much alike each other, were often considered _____ twin brothers.
#97712
A
looking; to be
B
looking; being
C
looked; to be
D
being looked; being
The way you thought of _______ the experiment is very practical.
#96352
A
carrying out
B
which to carry out
C
that carries out
D
to carry out