–I can’t stop smoking, doctor. --For your health, I’m afraid you________.A．mayB

题型：不详难度：来源：

–I can’t stop smoking, doctor.
--For your health, I’m afraid you________.

A．may

B．need

C．must

D．have to

答案

解析

试题分析：句意：医生，我戒不了烟。从你的健康考虑，我想你必须戒掉。may表示“或许，可能”，need表示“需要”，must强调主观上的必须，而have to强调客观上的不得不，在这里是医生交代病人客观原因要求他必须戒烟，而不管他主观上愿不愿意；故选D。

举一反三

--- Whose hair band is this ? ________ it be Kate’s ?
--- I’m not sure . It ________ be hers.

A．May ; must

B．Must ; may

C．Can ; must

D．Can ; may

题型：不详难度：| 查看答案

The flowers in my room every day, or they’ll die.

A．must water

B．must be watered

C．should water

D．can be watered

题型：不详难度：| 查看答案

---Whose book is this?
---It________ be Ning’s because it has her name on it.

A．must

B．can’t

C．might

D．could

题型：不详难度：| 查看答案

Dick speak Chinese? _ Yes, but he can’t speak it well.

A．Should

B．Can

C．Must

D．May

题型：不详难度：| 查看答案

—Isn’t that Ann’s husband over there?
---No, it _______be him. I’m sure he doesn’t wear glasses.

A．can’t

B．mustn’t

C．won’t be

D．may not

题型：不详难度：| 查看答案