---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
 Do you know how many people ______ up to now?
#99967
A
have invited
B
have been invited
C
had invited
D
had been invited
It is said that he ________ football in Beijing this afternoon.
#102809
A
is about to play
B
is going to play
C
plays
D
playing
On the next birthday.Ann            married for twenty years.
#102634
A
is
B
has been
C
will be
D
will have been