—You look tired.  —Yes. I _____ non-stop until twelve o’clock.   
#103911
A
hasn’t been working
B
wasn’t working
C
was working
D
didn’t work
推荐题目
    Bruce _________his leg when he _____ in a football match yesterday afternoon.
#103664
A
broke; played
B
has broken; was playing
C
broke; was playing
D
was breaking; played
. All of the guests ___________ by 9 o’clock , but the host _____________ until 15 minutes later .
#104291
A
arrived; didn’t turn up
B
had arrived; didn’t turn up
C
arrived; hadn’t turned up
D
had arrived; hadn’t turned up