[题目]Listen! Who the front door?A. is knocking B. knocks on C. is knocking on D. knocked 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】Listen! Who ________ the front door?

A. is knocking B. knocks on C. is knocking on D. knocked

【答案】C

【解析】

句意：听！谁在敲门？选项中knock为不及物动词“敲”，其后接宾语时，应加介词on/at。由“Listen！”可知动作正在进行，应用现在进行时，故选C。

练习册系列答案

精彩练习就练这一本系列答案

---Really? Can I __________ ?

A. take a looking B. have a see C. have a seeing D. take a look

【题目】We can see a lot of beautiful flowers everywhere in the city.
A.somewhere
B.anywhere
C.here and there

--- No, you __________. You __________ do it this evening.

A. mustn’t; can B. needn’t; may

C. can’t; must D. needn’t; must

—They are playing ________ football.

A. the; the B. /; the

C. /; / D. the; /

A. on the B. in the

C. at the D. for the

A. gets B. to get C. getting D. get

A. provides B. remains

C. practises D. receives

试题分类