Does ______ matter if he can't finish the job on time

A:this B:that C:he D:it

No matter how hard he worked, ______. ( )

A:he could not do any better B:and he could not do any better C:so he could not do any better D:but he could not do any better

Not until ______ the whole thing to him ______ that he was wrong.

A:had I explained, he realized B:had I explained, that he realized C:I had explained, that he realized D:I had explained, did he realize

I think he studies very hard, ______

A:does he B:doesn't he C:don't I D:do I

I don' t think he is serious, ______

A:do I B:is he C:don' t I D:isn' t he

Did he tell you what ______ if he had a chance

A:was he going to do B:he would do C:be had done D:had to do

I think he hardly makes spelling mistakes, ______

A:does he B:doesn't he C:do I D:don't I

______ entered the classroom when he realized that he had forgotten his home-work.

A:He hardly had B:Hardly he had C:He had hardly D:Hardly had he