I know _________ I promised to take you to dinner, but I won't finish working until ten o’clock.
#38454
A
that
B
if
C
what
D
why
推荐题目
—Could you tell me _____________ last night?—Er, I was watching TV at home.
#39317
A
what you were doing
B
what were you doing
C
what you are doing
D
what are you doing
--- I wonder _____________without water.---About a week. 
#38748
A
how long man can live
B
how long can man live
C
when man can live
D
when can man live
---Can you let me know        yesterday?   ---Because the traffic was bad. 
#38370
A
why did you come late
B
why you came late
C
why do you come late
D
why you come late