问题

The students were____ over the____ problem,listening to the teacher with a ____ expression on theirfaces.[ ]
A: puzzled; puzzling; puzzling
B: puzzled; puzzling; puzzled
C: puzzling; puzzling; puzzled
D: puzzling; puzzled; puzzling
B: puzzled; puzzling; puzzled
C: puzzling; puzzling; puzzled
D: puzzling; puzzled; puzzling
正确答案是:
同类题型
She’s got the job because she has the advantage _____others of knowing many languages.[ ]
All but him and me ______ tothe exhibition
Mr. Wang has two sons. of them are primary school students.
Lisa_______at 8 yesterday morning.
______ it simply, if you don’t apologize to him,you will lose this friend