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
2 the postmen/(cold)/hot
3 the hairdressers/(thin)fat
4 the shoes/(small)/big
5 the shops/(shut)/open
6 his cases/(heavy)/light
7 grandmother and grandfather/(young)/old
8 their hats/(old)/new
9 the policemen/(short)/tall
10 his trousers/(short)/long
参考答案：
Lesson 20
A
1 Those children are tired.
2 Their mother is tired, too.
3 That ice cream man is very busy.
4 His ice creams are very nice.
5 What's the matter, children? We are thirsty.
6 What's the matter, Tim? I am tired.
Answers
B
1 Are the children tired or thirsty? They're not tired. They're thirsty.
2 Are the postmen cold or hot? They're not cold. They're hot.
3 Are the hairdressers thin or fat? They're not thin. They're fat.
4 Are the shoes small or big? They're not small. They're big.
5 Are the shops shut or open? They're not shut. They're open.
6 Are his cases heavy or light? They're not heavy. They're light.
7 Are grandmother and grandfather young or old? They're not young. They're old.
8 Are their hats old or new? They're not old. They're new.
9 Are the policemen short or tall? They're not short. They're tall.
10 Are his trousers short or long? They're not short. They're long.
