(2014·宝鸡三检)By the time the girl comes back to life,scientists probably________a cure for this incurable disease.
#99123
A
will have discovered 
B
are discovering
C
will be discovering 
D
have discovered
推荐题目
 Reading can give students a chance to _______ their interests. 
#99905
A
explain
B
explode
C
explore
D
export
In recent years, great changes have taken place in the city of Wenzhou. As we can see, many streets and roads_______.
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A
had been built and rebuilt
B
has been built and rebuilt
C
have been built and rebuilt
D
are being built and rebuilt
— Have you heard from Jane recently?— No, but I ____ her over Christmas. 
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A
saw
B
will be seeing
C
have seen
D
have been seeing
 —Have you read the book called Waiting for Anya?—Who _________ it? 
#104597
A
writes
B
has written
C
wrote
D
had written