---I have got a headache．----No wonder ．You _______in front of that computer too long ．
#102512
A
work
B
are working
C
have been working
D
worked
推荐题目
It is said that the old coins ______ under the earth for about 100years by the time they were discovered.
#102307
A
had buried
B
had been buried
C
buried
D
were buried
The painting ______ to someone who later donated it to the college.
#99333
A
had sold
B
was sold
C
will sell
D
is sold
In the past 5 years a great deal of money _____ improving the environment of the school.
#103617
A
is spent
B
has been spent
C
was spent
D
had been spent
---- How about your last weekend?---- It was boring. I______ anything.
#100247
A
can’t do
B
hadn’t do
C
haven’t do
D
didn’t do
Ladies and gentlemen, please fasten your seat belts. The plane ________.
#104000
A
takes off
B
is taking off
C
has taken off
D
took off