题目内容：

用所给词的适当形式填空或在空白处填入一个恰当的词。

1.He bought two dictionaries, both of ____________ are very useful.

2.We were swimming ____________ we heard someone calling “ Help ! Help !”

3.Hobby can be almost anything ___________ a person likes to do in his spare time.

4.At 7 a.m. she says goodbye to her parents and sets ___________ to her school.

5.This lifestyle may seem very hard to many European schoolchildren, who are   accustomed ___________ going out most weekends.

6.People take up hobbies because these activities offer enjoyment, friendships, knowledge, and ___________ (relax).

7.It is feared that people living near the power station may have_________ (expose) to radiation.

8.Anyone, rich or poor, old or young, sick or well, can follow a ______ (satisfy) hobby.

9.After the miserable war, he got hurt _____ (mental) and physically.

10.Hundreds of people were invited ________ (attend) the wedding.

11.I’m looking forward to ___________ (receive) your letter soon.

12.The students acted graciously when success___________ (come) their way.

13.Doctors have found that hobbies are ___________ (value) in helping patients   recover.

14.Hobbies provide interests that keep bedridden patients from thinking about ___________ (them).

15.Having an extra day off made students___________ (happy) than ever before.