问题

It’s unfair! You sit there ,listening to me, _____ I stand here, teaching you[ ]
A: when
B: as
C: while
D: since
B: as
C: while
D: since
正确答案是:
同类题型
Shall we meet at the station at 8 a.m ——-In fact we________.The train_______until 10a.m.
Those flowers are ________ for your mother on her seventieth birthday.[ ]
Look!The clouds are very thick.It________rain.[ ]
It was such a funny show that people couldn’t help again and again.
The players______from the whole country are expected to bring us honor in this summer game [ ]