—I have a headache.—I’m not surprised you ________ in front of the computer for too long.
#100002
A
work
B
are working
C
have been working
D
had worked
推荐题目
What shall human beings do if oil        sometime in the future?
#101364
A
will run out
B
runs out of
C
runs out
D
will be run out
Before us lies the biggest room, _____ with things like guns, dolls and old clothes.
#101699
A
filling
B
filled
C
being filled
D
having been filled
— Could I have the small table by the window?— Sorry, sir. It ______ in advance.
#100128
A
booked
B
will be booked
C
had booked
D
has been booked