A new kind of drug ___ ___ to cure H7N9 bird flu by the scientists and they are hopeful that they will succeed in a couple of weeks. 
#100007
A
has been developed
B
is being developed
C
is developing
D
has developed
推荐题目
—Have you seen the movie “2012”?It’s quite thrilling.—No,I ________ to buy a ticket,but it ________ cats and dogs.
#99408
A
have intended;was raining
B
intended;had rained
C
have intended;rained
D
had intended;was raining
--- It’s said that another new car factory _______ now. --- Yeah.  It ________ one and a half years.    
#99863
A
is building; will take
B
is built; will take
C
is being built; will take
D
is being built; takes
— We __ that you would fix the TV set this week. — I’m sorry. I __ to, but I’ve been too busy.
#104434
A
had expected; had intended
B
are expecting; had intended
C
expect; intend
D
expected; intend