题目内容
The traffic rules say young children under the age of four and ______ less than 40 pounds must be in a child safety seat.
A. being weighed B. to weigh C. weighed D. weighing
D

练习册系列答案
相关题目
题目内容
The traffic rules say young children under the age of four and ______ less than 40 pounds must be in a child safety seat.
A. being weighed B. to weigh C. weighed D. weighing
D