– I have got a headache.  --No wonder. You ___in front of that computer too long. 
#103775
A
work
B
are working
C
have been working
D
worked
推荐题目
-----Hi, Tina, can I use your car for a while this afternoon?----- Sorry, _______.
#102518
A
it’s repaired
B
it has been repaired
C
it’s being repaired
D
it had been repaired
— This is Tom speaking.— Oh, it’s great. But I ______ your voice just now.
#101279
A
didn’t know
B
didn’t recognize
C
didn’t hear
D
don’t know