新概念英语第一册课后练习题及答案：19-20

新概念英语第一册课后练习题及答案：

19-20

Written exercises

书面练习

A Complete these sentences using am, is or are.

抄写以下句子，用

am, is

或

are

填空。

Example

：

Those children ______ thirsty.

Those children are thirsty.

1 Those children ______ tired.

2 Their mother ______ tired, too.

3 That ice cream man ______ very busy.

4 His ice creams ______ very nice.

5 What's the matter, children? We ______ thirsty.

6 What's the matter, Tim? I ______ tired.

B Write questions and answers.

模仿例句提问并回答。

Example

：

his shoes/(dirty)/clean

Are his shoes dirty on clean?

They're not dirty. They're clean.

1 the children/(tired)/thirsty