The students were ____ over the ____ problem, listening to the teacher with a ____
expression on their faces.
A.puzzled; puzzling; puzzling | B.puzzled; puzzling; puzzled |
C.puzzling; puzzling; puzzled | D.puzzling; puzzled; puzzling |
My sister often needs help with her study, ?
A.need she | B.needn’t she | C.doesn’t she | D.does she |
He isn’t a diligent boy, for it is the second time he has been late, ?
A.isn’t it | B.is he | C.has he | D.is it |
A lovely day, ?
A.is it | B.does it | C.isn’t it | D.doesn’t it |
Everything is right here, ?
A.isn’t it | B.aren’t they | C.are they | D.is it |
None of the workers attended the party, ?
A.did they | B.did he | C.didn’t he | D.didn’t they |