— How long_________in Hong Kong?  — For just the weekend. I’ll be back next Monday morning.  
#102400
A
have you stayed
B
are you staying
C
did you stay
D
do you stay
推荐题目
A single pipeline ___________ all the houses with water.
#102223
A
is served
B
serves
C
are serving
D
serve
The book came out in 1973 and it _________into thirty languages ever since.
#99538
A
translated
B
has been translated
C
has translated
D
was translated
He ________ in American for five years, and now he works in Shanghai.
#102010
A
have worked
B
worked
C
had worked
D
have been working