I really don’t know _____ to do .     A. what   B. where   C. how

I really don’t know _____ to do .     A. what   B. where   C. how

题型:不详难度:来源:
I really don’t know _____ to do .     
A. what   B. where   C. how
答案
A
解析
三个选项分别表示什么、哪儿和怎样,根据题意选A,我真的不知道做什么。
举一反三
Rita and Anna have finished their homework, ______?
A. have they   B. haven’t they  C. didn’t they
题型:不详难度:| 查看答案
Doing sports is good for your health, _______ ?
A.is itB.are they C.isn’t itD.aren’t they

题型:不详难度:| 查看答案
– Millions of people know about Susan Boyle now, __________?
-- _________, she becomes well-known because of her success on Britain’s Got Talent.
A.do they, NoB.do they, Yes C.don’t they, NoD.don’t they, yes

题型:不详难度:| 查看答案
– Would you mind _________ here? – I’m sorry about that. I’ll go somewhere else.
A.smoking B.not smokingC.no smokeD.smoke

题型:不详难度:| 查看答案
You are_____ young to understand it.
A.tooB.veryC.muchD.so

题型:不详难度:| 查看答案
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