17．王老师逐个回答了我们的问题。

Mr. Wang answered our questions ________ ________ ________．

根据汉语提示完成下列句子，每空一词。

16．阳光太强了，他用手遮住眼睛。

He ________ his eyes ________ his hands because the sun was so bright．

15．We hope that the transporters will be ________(电动的)in the future．

14．Don't play ________(玩笑)on him．He will be angry．

13．I saw a group of ________(鹅)swimming in the river．

12．The chair is made of ________(竹子)．It's cool to sit in．

11．It's a ________(事实)that he is the son of the rich man．

10．I like to send i________ to my friends by e-mail．

B)根据汉语提示，写出空缺处单词的适当形式。

9．Water becomes s________ when the temperature is below zero．

8．“R________” has the similar(相似的)meaning as “quick”．