—My sister is on holiday in Hainan.   —I wonder ____. 
#36634
A
When she came back.
B
When did she come back
C
When she will come back
D
When will she come back
推荐题目
—Could you tell me________?— He is in his office.
#38957
A
where Nick was
B
where is Nick
C
where was Nick
D
where Nick is
—Excuse me, do you know ________________?—Oh, no! Nothing is wrong with her.
#37553
A
what’s wrong with her
B
what wrong is with her
C
what is the matter to her
D
what the matter is to her
The timetable(时刻表) tells us __________________________every day. 
#38240
A
when does the train arrive
B
when the train will arrive
C
when will the train arrive
D
when the train arrives