Scientists say they have found a way to produce the human body’s own cancer-killing cells through gene treatment, ______ new hope to cancer sufferers.
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A
offering
B
showing
C
taking
D
making
推荐题目
If Newton lived today,he would be surprised by what_____in science and technology.
#104075
A
had discovered
B
had been discovered
C
has discovered
D
has been discovered
A few minutes earlier, and you would have seen the NBA star. But you ________.
#101579
A
won't come
B
don't come
C
didn't come
D
haven't come
 I ______ this book for two weeks. I have to return it now.
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A
have borrowed
B
have kept
C
have lent
D
have returned