I'm sorry you ______ so long, but it' ll still be some time before Jim gets back．
#101357
A
wait
B
waited
C
had waited
D
have been waiting
推荐题目
I want to buy that kind of cloth because I _____ the cloth _____ well.
#101087
A
have told; washes
B
have been told; is washed
C
was told; washed
D
have been told; washes
Writing out all the invitations by hand was more time-consuming than we______.
#99081
A
will expect
B
are expecting
C
expect
D
had expected
—I’m losing my eyesight, I’m afraid.—To finish this book, you ______ in front of your computer too long.
#101662
A
work
B
are working
C
have been working
D
worked
The new generation of computers, with artificial intelligence, _______and perfected now.
#101304
A
are being developed
B
have developed
C
developed
D
will develop