—How long ____ you ____ in Singapore?—For just the weekend． I’ll be back next Monday morning.
#100619
A
have; stayed
B
are; staying
C
did; stay
D
do; stay
推荐题目
—Did Alan enjoy seeing his old friends yesterday? —Yes, he did. He ________ his old friends for a long time.
#104739
A
didn’t see
B
wouldn’t see
C
hasn’t seen
D
hadn’t seen
In the past twenty years great changes _______in China.
#103431
A
were taken place
B
have been taken place
C
have taken place
D
were happened
Everyone here，including kids，________ their attention on the matter.
#103610
A
focus
B
focuses
C
to focus
D
focusing
— Can you come to my birthday party tonight? — I’d love to, but I______ on a patient at 6 o’clock.
#100074
A
will operate
B
am operating
C
will be operating
D
will have operated
—Why didn’t you answer my phone at 10 am? —I for my decayed tooth in the clinic.
#102804
A
treated
B
was treated
C
have been treated
D
was being treated