情境应用
1. She is an umbrella and waiting for her mum in the rain. (hold)
2. Hometowns are the places that all the best memories (记忆) in childhood. (hold)
3. —Hello, may I speak to Miss Zhang?
—Sorry. She is a parents' meeting in the school hall.
A. holding
B. raising
C. practising
D. treating
4. —May I speak to Mary?
—, please. She is coming.
A. Work on
B. Come on
C. Hold on
D. Put on

1. holding
2. hold
3. A
4. C

探究点2 could的用法
could
Could you...?意为“你能/可以……吗？”，表示委婉地提出请求。
肯定回答
Sure./Certainly./Of course.

当然可以。
No problem.
没问题。
Sure, I'd love to.
当然可以，我很乐意。
否定回答
Sorry, I can't.
对不起，我不能。
Could I...?意为“我能/可以……吗？”，表示委婉地请求许可。
肯定回答
Sure./Of course you can.当然可以。
否定回答
Sorry, you can't.
对不起，你不能。
情境应用
1. —Could you please sweep the floor, Tom?
— I'm busy cooking.
A. Yes, sure.
B. Sorry, I can't.
C. Yes, please.
D. Of course.
2. —Mum, could I watch TV after finishing my homework?
— You'd better go out for a walk.
A. Yes, please.
B. Sorry, you can't.
C. Of course you can.
D. I don't mind.

1. B
2. B

情境应用
1. Don't speak loudly on the bus. You should keep your down.
A.body
B.voice
C.interest
D.service

1. B

2. We can't make a in the library. We have to keep quiet.
A.noise
B.sound
C.voice
D.face

2. A