If a computer crashes,you will lose the file you _____ on if you don’t save it early enough.
#103552
A
are working
B
work
C
will work
D
worked
推荐题目
--- Julia, what were you doing when Anna called you? --- I ________ my housework and was starting to take a bath.
#100132
A
had finished
B
have finished
C
were finishing
D
will finish
一"Peter, have you got your new flat furnished?—Yes. I ______ some used furniture and it was a real bargain.
#100526
A
will buy
B
have bought
C
bought
D
had bought
—Do you remember when I first met you? —Of course. I __________ in a small food factory.
#100000
A
worked
B
was working
C
had been working
D
work
With all the food supply ___, the researchers had to put an end to the wildlife protection project and returned home.
#103075
A
running out
B
to use up
C
run out of
D
using up
When the old man ______ to walk back to his house, the sun ______ itself behind the mountain.
#100109
A
started; had already hidden
B
was starting; hid
C
had started; had already hidden
D
had started; was hiding