1 . You can't judge a book by its cover, as the old ________ (格言) goes. （根据汉语提示单词拼写）

2 . The porter was weighed down by large quantities of __________(行李).

3 . I have no choice but to make ______ (投诉) about the salesman’s rude behavior. (根据汉语提示单词拼写)

4 . I am writing to make an apology for any ______ (不便) caused by my children.(根据汉语提示单词拼写)

6 . The ________ (erupt) of volcano makes many people lose their lives. （所给词的适当形式填空）

7 . He got promoted for his ________ (contribute) to the scientific research. (所给词的适当形式填空)

8 . She often buys computer hardware and some ________ (必需品) on the Internet. (根据汉语提示单词拼写)

9 . Fortunately, the kid made a full ______ (康复) after the operation. (根据汉语提示单词拼写)

10 . Exports have increased by 66 percent since 1981, better than any of our six main ________(compete). (用所给词的适当形式填空)