He doesn’t know_______.A.to do whatB.to do howC.what to doD.how to do

He doesn’t know_______.A.to do whatB.to do howC.what to doD.how to do

题型:不详难度:来源:
He doesn’t know_______.
A.to do whatB.to do howC.what to doD.how to do

答案
C
解析

试题分析:句意:他不知道做什么。Know后面接的是宾补从句,疑问词后面用不定式,what to do做什么;故选C。
举一反三
When he grows up,he’s going to do    .
A.what he wants to doB.what does he want to do
C.what he want to doD.what will he want to do

题型:不详难度:| 查看答案
Let me tell you ________.
A.how much is the carB.how much does the car cost
C.how much did I pay for the carD.how much I spent on the car

题型:不详难度:| 查看答案
–Could you tell me      ?
–I ’m confident and creative.
A.how you areB.what are you like
C.what you are likeD.how are you

题型:不详难度:| 查看答案
--What did your teacher say just now?
--He asked me ________this morning.
A. how Tom comes to school 
B. why was Tom late for school
C. what time Tom got to school
题型:不详难度:| 查看答案
—The lights in the classroom are still on. Do you know______.
—To revise for the coming exams.
A.what they stay up late forB.why they stay out late
C.when will they stop studying D.how they work on their lessons

题型:不详难度:| 查看答案
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