–Why, David, you look so tired! –Well, I ______ a report for the whole day and I must finish it tomorrow.
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A
was writing
B
will be writing
C
have written
D
have been writing
推荐题目
Tsinghua University, ______ in 1911, is home a great number of outstanding figures.
#101770
A
found
B
founding
C
founded
D
to be founded
(2014·湖南十二校联考)I got an email from my old friend last Sunday.Until then，we________in touch for nearly 3 years.
#99132
A
didn’t get
B
haven’t got
C
hadn’t got
D
don’t get
—Why do you look worried?—Fred left the company half an hour ago. His work ________ unfinished since.
#104729
A
left
B
was left
C
has left
D
has been left
By the end of last year, another new gymnasium________ in London.
#99201
A
have been completed
B
were completed
C
had been completed
D
was completed
The way of life he was used to _______ when he came to study in America.
#101025
A
change
B
changed
C
changing
D
being changed