用括号中所给单词的适当形式完成下列句子.每空格限填一词。

1.This shop sells all kinds of __________ from different countries. (watch)

2.Students should be taught how to learn by __________. (they)

3.We were told to turn right at the __________ traffic light. (three)

4.It's natural for us to become more __________ when we get old. (forget)

5.Luckily, the small ship came back __________ after a big storm. (safe)

6.We couldn't believe that it was her real hair because it was so __________ . (length)

7.Amy's job is to __________ the new machine that was bought last week. (operation)

8.Jane felt nervous when she made her first __________ in front the whole school. (speak)