新概念英语第一册课后题及答案：Lesson71-72

新概念英语第一册课后题及答案：Lesson71-72
新概念英语第一册课后题及答案：Lesson71-72 Written exercises 书面练习
A Complete these sentences.
模仿例句完成以下句子。

Example：
She is airing the room now. She ______ it yesterday.
She aired yesterday.
1 It is raining now. It ______ yesterday.
2 It is snowing now. It ______ yesterday.
3 He is boiling some eggs. He ______ some yesterday.
4 We are enjoying our lunch. We ______ it yesterday, too.
B Write questions and answers.
模仿例句提问并回答。

Example：
she/ air the room/ yesterday
What did she do yesterday?
She aired the room yesterday.
1 they/ clean their shoes/ yesterday
2 he/ open the box/ last night
3 they/ sharpen their pencils/ this morning
4 she /turn on the television/this evening
5 she/listen to the radio/ last night
6 she/boil an egg/ yesterday morning
7 they/ play a game/ yesterday afternoon
8 he/ stay in bed/ the day before yesterday/ in the morning
9 she/ telephone her husband/ yesterday evening
10 she/call the doctor/the night before last
答案：
Lesson 72
A
1 It is raining now. It rained yesterday.
2 It is snowing now. It snowed yesterday.
3 He is boiling some eggs. He boiled some yesterday.
4 We are enjoying our lunch. We enjoyed it yesterday, too.
B
1 What did they do yesterday? They cleaned their shoes yesterday.
2 What did he do last night? He opened the box last night.
3 What did they do this morning? They sharpened their pencils this morning.
4 What did she do this evening? She turned on the television this evening.
5 What did she do last night? She listened to the radio last night.
6 What did she do yesterday morning? She boiled an egg yesterday morning.
7 What did they do yesterday afternoon? They played a game yesterday afternoon.
8 What did he do in the morning the day before yesterday? He stayed in bed in the morning the day before yesterday.
9 What did she do yesterday evening? She telephoned her husband yesterday evening.
10 What did she do the night before last? She called the doctor the night before last.。