Someone knocked at the door he was doing his ...

Someone knocked at the door 　　　　 he was doing his homework.

A.after        B. when     C. until    D. as soon as

八年级英语单项填空中等难度题查看答案及解析

Mr. Sean heard someone ________ at the door when he was watching TV.

A.knocked B.knocks C.to knock D.knocking

八年级英语单选题困难题查看答案及解析

I was watching TV when someone _______ the door.

A. were knocking at　　 B. knocked

C. knocked at　　 　　　 D. knock at

八年级英语单项填空中等难度题查看答案及解析

He was sleeping ____ someone knocked on the door.

A. when　　　　　 B. while　　　　　 C. as　　　　　 D. after

八年级英语单项填空中等难度题查看答案及解析

---Someone is knocking at the door. Who may it be?

---It ______ be Tom. He is still in the school.

A. can’t　　 B. mustn’t

C. couldn’t　　 D. may not

八年级英语单选题中等难度题查看答案及解析

---Someone is knocking at the door. Who may it be?

---It ______ be Tom. He is still in the school.

A. can’t　　　　　　　　　 B. mustn’t　　　　　　 C. couldn’t　　　　　　 D. may not

八年级英语单项填空中等难度题查看答案及解析

---Someone is knocking at the door. Who may it be?

---It ______ be Tom. He is still in the school.

A. can’t　　　　　　　　　 B. mustn’t

C. couldn’t　　　　　　 D. may not

八年级英语单项填空中等难度题查看答案及解析

--Someone is knocking at the door. Who may it be?

--It ______ be Tom. He is still in the school.

A. can’t　　　　 　　 　　 B. mustn’t

C. couldn’t　　　　　　 D. may not

八年级英语单项填空中等难度题查看答案及解析

---Someone is knocking at the door. Who may it be?

---It ___________ be Tom. He is still in the school.

A. can’t　　　　　　　　　 B. mustn’t

C. couldn’t　　　　　　 D. may not

八年级英语单项填空中等难度题查看答案及解析

--- Someone is knocking at the door. Go and see who it can be.

--- It__________ Peter, because he has gone to New Zealand.

A. can’t be　　 B. may be

C. mustn’t be　　　 D. might be

八年级英语单项填空中等难度题查看答案及解析