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
John is the only one of the students in the class who never _____ a mistake even when it is pointed out to him.
#92793
A
admits making
B
admitted to make
C
admitted making
D
admitted having made
I can’t pretend ________ happy when I am not.
#88649
A
to be
B
to have been
C
being
D
having been