1. We must wait here. / He comes back.
2. You can't play badminton. / You finish your homework.
3. We first met at primary school. / We have been good friends.
4. People usually don't know the value of health. / They lose it.
5. The mother hasn't had a good night's sleep. / Her baby was born.
6. I haven't seen Mr Smith / last week
7. late at night / the meeting continued
8. half past seven / the volleyball match won't start
We must wait here till/until he comes back.
2. You can't play badminton. / You finish your homework.
You can't play badminton till/until you finish your homework.
3. We first met at primary school. / We have been good friends.
We have been good friends since we first met at primary school.
4. People usually don't know the value of health. / They lose it.
People usually don't know the value of health till/until they lose it.
5. The mother hasn't had a good night's sleep. / Her baby was born.
The mother hasn't had a good night's sleep since her baby was born.
6. I haven't seen Mr Smith / last week
I haven't seen Mr Smith since last week.
7. late at night / the meeting continued
The meeting continued till/until late at night.
8. half past seven / the volleyball match won't start
The volleyball match won't start till/until half past seven.
答案：1. We must wait here till/until he comes back.
2. You can't play badminton till/until you finish your homework.
3. We have been good friends since we first met at primary school.
4. People usually don't know the value of health till/until they lose it.
5. The mother hasn't had a good night's sleep since her baby was born.
6. I haven't seen Mr Smith since last week.
7. The meeting continued till/until late at night.
8. The volleyball match won't start till/until half past seven.
2. You can't play badminton till/until you finish your homework.
3. We have been good friends since we first met at primary school.
4. People usually don't know the value of health till/until they lose it.
5. The mother hasn't had a good night's sleep since her baby was born.
6. I haven't seen Mr Smith since last week.
7. The meeting continued till/until late at night.
8. The volleyball match won't start till/until half past seven.
1.
2. You are welcome to come and stay with us
3.
4.
5. I'm going to have a shower
6. He will be back tomorrow. I'll give him the message
As soon as
we got out of the car, it started to rain.2. You are welcome to come and stay with us
whenever
you like.3.
Whenever
she comes to my home, she brings me a bunch of flowers.4.
Whenever
I see them, they are talking about football.5. I'm going to have a shower
as soon as
I get home.6. He will be back tomorrow. I'll give him the message
as soon as
I see him.答案：1. As soon as
2. whenever
3. Whenever
4. Whenever
5. as soon as
6. as soon as
2. whenever
3. Whenever
4. Whenever
5. as soon as
6. as soon as
This morning, Lucy got up
as soon as/when
the alarm clock rang at 6:10. She had breakfast after
she brushed her teeth. She got dressed before
she left home. Lucy waited at the bus stop until/till
the bus arrived. The driver, Mr Brown, is a kind man. He wears a smile on his face whenever
you see him. He has been a bus driver since
he finished college. Lucy was listening to music while
she was travelling on the bus. She said goodbye to the driver when
she got off the bus.答案：(1) as soon as/when
(2) after
(3) before
(4) until/till
(5) whenever
(6) since
(7) while
(8) when
(2) after
(3) before
(4) until/till
(5) whenever
(6) since
(7) while
(8) when