must作“必须 解释. mustn't作“不允许 解释时 They must clean the floor, mustn't they/needn't they? 他们必须擦地板.是不是? We must stay at home, mustn't we? 我们必须留在家里.是不是? We mustn't be late, must/may we? 我们不许迟到.是不是? 查看更多

 

题目列表(包括答案和解析)

When you are in England, you must (必须) be very careful (当心) in the streets because the traffic goes on the left. Before you cross the street, you must look to the right first and then the left.

If the traffic lights are red, the traffic must stop(停止). Then the people on foot can cross the road. If the lights are green, the traffic can go and people on foot mustn’t (禁止) cross.

In the morning and in the evening, when people go to or come back from work, the streets are very busy. The traffic is the most dangerous then.

When you go by bus in England, you have to be careful, too. You must always remember the cars drive on the left.

In many English cities, there are big buses with two floors. You can sit on the second floor. From there, you can see the city very well. That’ll be very interesting.

1.Before you cross a street in London, you must look to          .

A.the right side(边)                       B.the left side

C.the left first and then the right             D.the right first and then the left

2.When you drive a car in England, you must           .

A.drive on the left                        B.drive on the right

C.ignore (忽略) the traffic lights              D.go very quickly (快)

3.If the traffic lights are green, the traffic         .

A.can go            B.must be careful     C.mustn’t cross     D.must stop

4.In England, you can see some buses           .

A.with two chairs                         B.with two rooms

C.with two floors                         D.with two drivers

5.Which of the following is right?

A.After you cross the street, you must look to the left first and then the right.

B.If the lights are red, the traffic mustn’t stop.

C.You must drive cars on the left in England.

D.In the morning and in the evening when people go to or come back from work, the traffic is not dangerous.

 

查看答案和解析>>

—Look! The man at the gate         be our headmaster. He stands there every morning.

      —No, it        be him. He is holding a meeting in the office now.

      A. must; can’t   B. must; can C. can’t; mustn’t D. can’ t; must

 

查看答案和解析>>

选择正确的词填空。(15分)

am    is    are   do    does    can    don’t

1.I ________ a student. My name ________ Li Hong.

2.She ________ my friend. Her name ________ Wang Mei.

3.—Where ________ your balls?   —They ________ under the bed.

4.—________ those apples?   —Yes, they ________.

5.On Sunday, I ________ watch TV. I must(必须) do my homework.

6.— ________ her daughter have a nice English name? — Yes, she does.

7.— ________ you spell the word? — Sorry, I can’t

8.________ his grandparents like him?

9.— Where ________ I?       — You ________ in a new place.

10.— What ________ your uncle love?         — He loves sports.

 

查看答案和解析>>

Even a drop of water ______because it is so important to all the living things.

A.must waste

B.must be wasted

C.mustn't waste

D.mustn't be wasted

 

查看答案和解析>>

— Someone is knocking at the door. Is it Ann?

— It _____ be her. She is giving a performance at the theatre now.

A. may              B. must            C. can’t            D. mustn’t

 

查看答案和解析>>


同步练习册答案