Scientists think they have _____ in their attempt to find the causes of some major dieases.
#81772
A
broken through
B
worked out
C
fallen out
D
got round
推荐题目
--- Diaoyu Island belongs to China ---Surely it does! We Chinese will never ____it up
#69531
A
cut
B
give
C
mix
D
set
The doctor could ______ by the symptom that the patient caught flu.
#73343
A
observe
B
say
C
tell
D
speak
The performance ______ nearly three hours, but few people left the theatre early.
#83230
A
covered
B
reached
C
played
D
lasted
I tried my best to keep calm in face of the students, but the sweat on my forehead _____ me____.
#81500
A
gave; away
B
tuned; down
C
showed; out
D
shut; off
The government spokesman has to____ his words before responding to reporters.
#70927
A
pass
B
cover
C
weigh
D
Express