– Why you didn’t handed in your exercise paper?–Sorry, but I ____ that it should be turned in today.
#100688
A
didn’t know
B
hadn’t known
C
haven’t known
D
don’t know
推荐题目
If Newton lived today,he would be surprised by what_____in science and technology.
#104075
A
had discovered
B
had been discovered
C
has discovered
D
has been discovered
—Peter, where did you guys go for the summer vacation?—We ____ busy with our work for months, so we went to the beach to relax ourselves.
#100350
A
had been
B
have been
C
were
D
will be
—What do you think of the meal?—Although some dishes________with me，it’s really a nice meal.
#99155
A
disagree
B
agree
C
offer
D
take
A few minutes earlier, and you would have seen the NBA star. But you ________.
#101579
A
won't come
B
don't come
C
didn't come
D
haven't come
I ______ this book for two weeks. I have to return it now.
#101638
A
have borrowed
B
have kept
C
have lent
D
have returned