Although medical science________control over several dangerous diseases，what worries us is that some of them are recurrent.
#99174
A
achieved
B
has achieved
C
will achieve
D
had achieved
推荐题目
There they met two Indian monks who were Buddhist masters and ______ as educators without salary.
#102525
A
were working
B
worked
C
have work
D
had worked
The fans ______ patiently for hours and they will wait till the movie star _____.
#100641
A
will wait;arrives
B
have waited; will arrive
C
have been waiting; arrives
D
waited;arrives
―Do you have anything to do this afternoon?―What’s up?―Let’s go shopping. It’s said that Jinying Shop _____, and all the sweaters are sold at half price.―Why not?
#104501
A
has closed down
B
was closing down
C
closes down
D
is closing down
— Hello, Jim. I ______ to see you today. Sonia said you ______ ill.— Oh, I’m OK.
#100933
A
don’t expect; were
B
haven’t expect; are
C
am not expecting; are
D
didn’t expect; were