（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？
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.