----I have got a headache. ---- No wonder. You ________ in front of that computer too long.
#101965
A
work
B
are working
C
worked
D
have been working
推荐题目
The church tower which_________will be open to tourists soon. The work is almost finished.
#103744
A
has restored
B
has been restored
C
is restoring
D
is being restored
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
In this country, coal electricity.
#102425
A
is used to produce
B
is used to produced
C
is used to producing
D
used to produce
Danny _____ hard for long to realize his dream and now he is popular.
#103778
A
works
B
is working
C
has worked
D
worked
The fans ______ patiently for hours and they will wait till the movie star _____.
#100641
A
will wait;arrives
B
have waited; will arrive
C
have been waiting; arrives
D
waited;arrives