I don"t know _____ I am free this afternoon. [ ]A. that B. what C. if D. whi

题型：期末题难度：来源：

I don"t know _____ I am free this afternoon. [ ]
A. that
B. what
C. if
D. which

答案

举一反三

—Please wait here. I"ll come back soon.
—All right. We won"t leave you come back. [ ]
A. since
B. until
C. while
D. as

题型：期末题难度：| 查看答案

Would you mind ______ he attends the meeting? [ ]
A. that
B. if
C. how

题型：0108 期末题难度：| 查看答案

Jane didn"t sleep his father came back last night. [ ]
A. when
B. after
C. before
D. until

题型：云南省期中题难度：| 查看答案

They started to walk they parked their bikes. [ ]
A. when
B. after
C. while
D. before

题型：云南省期中题难度：| 查看答案

They didn"t watch TV _______ they finished their homework. [ ]
A. when
B. as
C. while
D. until

题型：0122 期中题难度：| 查看答案