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.
#101602
A
have not been paying
B
had not been paying
C
were not paying
D
will not be paying
推荐题目
 I________ an important conference at 10 o’clock this Sunday morning.
#100889
A
will have attended
B
will be attending
C
have been attending
D
have attended
Would you please keep silent? The weather report ____ and I want to listen.
#100721
A
is broadcast
B
is being broadcast
C
has been broadcast
D
had been broadcast
I won’t go to the party even if_______.
#103713
A
inviting
B
being invited
C
invited
D
having invited
Stefan ________ from heart attack for more than ten years, but now he’s healthy and energetic.
#100871
A
had suffered
B
suffered
C
has suffered
D
has been suffering