20. The traffic rule says young children under the age of four and ____ less than 40 pounds must be **a child safety seat.

　 A. being weighed　　 B. to weigh　　 C. weighed　　　 D. weighing

19. Playing on a frozen sports field sounds like a hot of fun. Isn’t it rather risky,____?

　 A. thought　　　 B. also　　 C. either　　　 D. too

18.-According to my grandma, it is a good idea to eat chicken soup when you have a cold.

　 ----_____, scientists agree with her.

　 A. Sooner or later　　 B. Once in a while　　 C. To be exact　　 D. Believe it or not

17.”You ____ have a wrong number,” she said. “There’s no one of that name here.”

　 A. need　　　 B. can　　　　 C. must　　　 D. would

16.The ***** help you talk through your problem but they don’t give you any direct ______.

　 A. solution　　　　 B. target　　　　 C. measure　　 D. function

15．For many years, people 　　　　electric cars. However, making them has been more difficult than predicted.

　　　 A．had dreamed of　　　　　　　 B．have dreamed of 　　 C．dreamed of　　　　　　 D．dream of

14．　　 　that’s important is that you are doing your best and moving in the right direction

A．One　　　　　　　　　　　　 B．All　　　　　　　　　　　　　 C．Everything 　　　　　　 D．Anything

13．-Would she mind playing against her former teammates? www.ks*5u.co

　　 -　　 　She is willing to play against any tough players.

　　　 A．I think so 　　　　　　　 B．I’m not surprised 　 C．Of course 　　　　　　 D．Not likely!