—You seem tired, David.—Yes. I _____ all day long and can’t wait to go to bed now.
#102886
A
am working
B
had been working
C
have been working
D
was working
推荐题目
Great changes _____ in China in the past 30 years and many Chinese are living a happy life today.
#99354
A
took place
B
were taken place
C
have taken place
D
have been taken place
The cinema ______ ten years ago when we first moved to this town．
#99316
A
built
B
has built
C
was built
D
would be built
—Does John serve in the army?—No, but he________in the army for 8 years.
#102015
A
would serve
B
has served
C
is serving
D
served
Beijing ______ some strong winds, with dust blowing at 20 meters per second in the capital these days.
#100545
A
sees
B
saw
C
is seeing
D
was seeing
George has arrived, but I did not know he ______ until yesterday.
#103817
A
comes
B
will come
C
is coming
D
was coming