—What time will Mr. Green be back to China?—Sorry. I don’t know ________.
#37936
A
when did he go broad
B
why he is going abroad
C
how soon will he be back
D
how long he will stay abroad
推荐题目
— Look at that pretty girl! Do you know _______?— She is a dancer.
#39161
A
who she is
B
who is she
C
what she is
D
what is she
 We asked six students what ______ yesterday.
#38535
A
do they do
B
did they do
C
they did
D
they do
The students asked _________________.
#79224
A
when can they surf the Internet in class
B
when could they surf the Internet in class
C
when they could surf the Internet in class
D
when they can surf the Internet in class
They were _______ busy _______ with each other to remember the time.
#36540
A
enough; talking
B
enough; to talk
C
too; talking
D
too; to talk