Over years, scientists have made a great _____in the treatment of cancer.
#6477
A
break-in
B
breakthrough
C
breakup
D
breakdown
推荐题目
If you don’t speak good English,you will be at a big when you try to get a good job.
#5410
A
disadvantage
B
loss
C
bend
D
shortcoming
The large family is really a heavy_______ on his shoulder, so he has to work day and night.
#5312
A
job
B
challenge
C
load
D
weight
Though__ __ came that he was completely defeated, he didn't lose ______.
#6938
A
the word; his heart
B
the word; heart
C
word; his heart
D
word; heart
．Hundreds of people gave their lives in __________ of freedom.
#5055
A
protection
B
guard
C
defence
D
favor
The law about banning using thin plastic bags came into_____from 1st Jane this year.
#7268
A
existence
B
power
C
sight
D
effect