新概念英语一册Lessons89-90课后练习答案

新概念英语一册Lessons89-90课后练习答案
新概念英语第一册89-90课词汇学习 Word study
retire v.
(1)退休;离职：
He retired at the age of 60. 他60岁时退休了。

He's going to retire soon from the sea. 不久他将退休，结束其航海生涯。

(2)退出;退隐：
He often retires to his country house at weekends. 他周末通常到他那个乡间别墅生活。

The ladies retired, and the gentlemen went on drinking and chatting. 女士们离席退出，先生们则继续喝酒聊天。

worth prep.
(1)相当于……价值，值……钱：
The new house would be worth 50, 000 pounds. 这座新房子会值50，000英镑。

How much is the necklace worth? 这条项链值多少钱?
(2)具有……价值;值得：
That city is worth visiting. 那座城市值得一游。

Is the film worth seeing? 这部电影值得一看吗?
新概念英语第一册90课课后练习答案 Key to written exercises Lesson 90
A
1 Did the sun set at twenty past seven?
The sun didn't set at twenty past seven.
2 Did he eat his lunch at one o'clock?
He didn't eat his lunch at one o'clock.
3 Did they do their homework last night?
They didn't do their homework last night.
4 Did he come by car this morning?
He didn't come by car this morning.
5 Did the sun rise at half past five?
The sun didn't rise at half past five.
6 Did you swim across the river yesterday?
We didn't swim across the river yesterday.
B
1 Yes, I did my homework last night.
He hasn't done his homework yet.
2 Yes, Mrs. Jones went to the butcher's this morning.
Mrs. Williams hasn't been to the butcher's yet.
3 Yes, I spoke to him yesterday.
She hasn't spoken to him yet.
4 Yes, George swam across the river an hour ago.
Sam hasn't swum across it yet.
5 Yes, I saw that film yesterday.
Sam and Penny haven't seen that film yet.
6 Yes, Tim took off his shoes a minute ago. Frank hasn't taken off his shoes yet.。