根据中文提示，用词组的适当形式填空。每空一词。

People have cut down too many trees, so lots of rich land has ________　________(变成)desert．

根据中文提示，用词组的适当形式填空。每空一词。

－Would you like to ________　________(去购物)this Sunday afternoon?

－Yes, I'd like to．

根据中文提示，用词组的适当形式填空。每空一词。

Mr．Brown lay down on the sofa and soon ________　________(入睡)．

根据中文提示，用词组的适当形式填空。每空一词。

Hurry up, or you'll be ________　________(迟到)school．

根据句意，用括号中所给单词的适当形式或句子的语法要求填空。

My sister ________(be)a singer since she left the school．

根据句意，用括号中所给单词的适当形式或句子的语法要求填空。

You need ________(return)the comic book to the library at once．

根据句意，用括号中所给单词的适当形式或句子的语法要求填空。

I ________(not go)to bed until my mother came back at ten last night．

根据句意，用括号中所给单词的适当形式或句子的语法要求填空。

Have you read ________(today)newspaper?

根据句意，用括号中所给单词的适当形式或句子的语法要求填空。

A computer is ________(expensive)than a TV set．

根据句意，用括号中所给单词的适当形式或句子的语法要求填空。

－How many ________(tooth)does a dog have?

－Sorry, I have no idea．Let's search on the Internet．