----Another cup of tea? That’s your third since lunch.    ----Yeah, well, I ____ all night preparing for my history exam. I can hardly keep my eyes open.
#100513
A
have stayed up
B
stayed up
C
have been staying up
D
will stay up
推荐题目
The ambulance was just arriving, for a worker, who ______ the window on the second floor, fell off the window.
#102127
A
had been repairing
B
was repairing
C
has been repairing
D
would be repairing
Father finally came back home, which I ___ forward it.
#103583
A
had been looking
B
have been looking
C
looked
D
have looked
The old couple will never _____ the loss of their son. 
#100761
A
get over
B
get away
C
get off
D
get across