—How long ____ you ____ in Singapore?—For just the weekend． I’ll be back next Monday morning．
#101595
A
have; stayed
B
are; staying
C
did; stay
D
do; stay
推荐题目
The manager ______ the workers how to improve the program since 9 am.
#102119
A
has told
B
is telling
C
has been telling
D
will have told
— Lucy is not coming tonight. — But she _____!
#100029
A
promised
B
will promise
C
had promised
D
promises
--- Listen! It is raining. --- Oh, really! I ________ it at all.
#103517
A
didn’t realize
B
don’t realize
C
haven’t realized
D
hadn’t realized
When I entered the step-classroom (阶梯教室), the lecture __________ and the audience __________ attentively.
#101262
A
began, listened
B
was begun, was listening
C
had begun, listened
D
had begun, were listening
Our teacher taught us that water ___ at zero degree centigtade.
#104492
A
freezes
B
freeze
C
freezed
D
is freezed