What will people die of in 100 years? If you think that is a simple question, you ______ attention to the revolution taking place in biotechnology.
#100802
A
have not been paying
B
had not been paying
C
were not paying
D
will not be paying
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.
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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