---Do you know how long ________?  ----I’m sorry I don’t know.
#36739
A
he has come here
B
has he been married
C
Tom has bought the car
D
his uncle has been abroad
推荐题目
She asked ___________.
#38318
A
if I have already got well
B
whether I had already got well
C
have I ready got well
D
I had already got well
— Mr. Smith joined in different activities in Beijing. Do you know ___________?— Since 5 years ago.
#37143
A
when he went there
B
how long he has stayed there
C
how soon he will come back
D
when he will come here