3.writing　介词后用动词?ing形式。　

2.to find　疑问词常和动词不定式短语一起构成复合宾语。　

5.He wants_____________ (be) a teacher when he grow up.　

答案：1.weekends　泛指“每个周末”时一般用复数形式。　

4.What kind of clothes would he like_____________ (wear)?　

3.That would be good for_____________ (write) letters.　

(用单词的适当形式填空。)　

1.We often go to the movies with friends on _____________ (weekend).　

you give me some advice about how _____________ (find) my missing dog.　

5.off;others　have ... off意思是“休息；不上课/班”；句意是“有些学生应该被允许星期五下午不上课去志愿帮助别人”。　

4.isn’t　根据常识可知中学生是“不”允许有兼职工作的。　

3.worried　be worried意思是“感到担心的”。　

2.decision　定冠词the后用名词，make a decision意思是“作决定”。