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
Tom, would you like to stop practising B-Box? The CCTV news____ and I want to listen.
#105325
A
is broadcasting
B
has been broadcasting
C
is broadcast
D
is being broadcast
— Who is ____ the TV show? She seems to be talented. — Mary Green, who used to be a great actress.
#105321
A
opening
B
hosting
C
playing
D
seeing
Since 1 won the big prize，my telephone hasn’t stopped ringing. People____to ask how I am going to spend the money.
#105338
A
phone
B
will phone
C
were phoning
D
are phoning
6.I have to go to work by taxi because my car ____at the garage.
#105344
A
will be repaired
B
is repaired
C
is being repaired
D
has been repaired
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