—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
---The window must have taken you quite a lot of time that day. --- You are right. They ________ for weeks.
#102507
A
haven’t been cleaned
B
hadn’t been cleaned
C
didn’t’ clean
D
haven’t cleaned
The dish _____ nice, but the milk _____ sour.
#103726
A
is smelt, is smelt
B
is smelt, smells
C
smells, is smelt
D
smells, smells