3. The boy often caused a lot of t__________ to his parents.

2. - Which fruit do you like best?

　 - G__________, I think.

1. Lei Feng’s s__________ will live on earth for ever.

20. There tourists are looking for _________(住处).

[第二关]根据首字母提示，写出单词。

19. My father has a quite few _________(灰色的) hairs.

18. Do you know the _________(主人) of this house?

17. You should care for your _________(饮食)to keep healthy.

16. Can I have _________(额外的) time to finish my work?

15. _________(在各个地方) they went, the guests were warmly welcomed.

14. Everyone has the duty to pay _________(税).