Do you know the girl _________ is singing in the classroom?
A. when B. who C. which
【2013浙江杭州】I think he’s been drinking, _________ I’m not completely sure.
| A．if | B．though | C．until | D．as |
【2013四川雅安】Be quick, we'll be late for the meeting.
| A．and | B．but | C．so | D．or |
【2013四川雅安】Amy was reading a book I came in.
| A．when | B．while | C．because | D．though |
【2013山东滨州】Li Na is famous all the tennis fans in China know her.
| A．too; to | B．enough; to | C．as; as | D．so; that |
【2013江苏连云港】I won't watch basketball matches ________ james is playing. He pays much attention to teamwork.
| A．unless | B．if | C．although | D．Since |