Although the causes of cancer ____we do not yet have any practical way to prevent it.
#105341
A
are being uncovered
B
have been uncovering
C
are uncovering
D
have uncovered
推荐题目
Since the band announced the release of their new album, the phone hasn't stopped ringing. Many fans ________ to ask about the exact time.
#105307
A
were calling
B
had called
C
are calling
D
call
Although the causes of cancer ____we do not yet have any practical way to prevent it.
#105341
A
are being uncovered
B
have been uncovering
C
are uncovering
D
have uncovered
一Ready to give up guessing，Sandy?一No，no，hold on! I think I______ at the answer now．
#105346
A
arrive
B
am arriving
C
have arrived
D
will arrive
How happy we are! The holiday we have been looking forward ________at last.
#105324
A
to has come
B
to have come
C
to having come
D
has come
My money is ____, so I have to call my parents saying that I am missing them.
#105326
A
run out
B
using up
C
running out
D
running out of