We_______on this project for four hours. Let’s have a rest.
#103758
A
are working
B
have been working
C
worked
D
had worked
推荐题目
—What happened to Tom?—He ______ his leg while playing football with his classmates.
#100240
A
had broken
B
has broken
C
broke
D
was breaking
---This is the first time I _____ my first picture with my own hands. --- It’s time that you ____ a photo of me.
#101711
A
took; took
B
have taken; took
C
took; will take
D
will take; have taken
Joy _______ as a language teacher in China for two years before she went back to London.
#100858
A
had worked
B
was working
C
worked
D
has worked
The country life he was used to________greatly since 2002.
#99163
A
change
B
has changed
C
changing
D
have changed
—You may find the key to the math problem on page 107．—Ah, it's so simple． I wonder why I _ of that．
#100442
A
hadn't thought
B
haven't thought
C
didn't think
D
wasn't thinking