Scientists are trying to ways to treat the terrible disease called H7N9.
#53535
A
come up with
B
give in
C
talk about
D
give up
推荐题目
It my mother half an hour to the shopping mall.
#58976
A
spends; walking
B
takes; to walk
C
spends; to walk
D
takes; walking
-Excuse me.How long can I keep the book?-You can return it by the end of this month.
#59622
A
give it away
B
come up with it
C
give it back
D
lend it again
to have the sports meeting .
#52348
A
When; hasn’t decided
B
When; isn’t decided
C
If; isn’t decided
D
Where; hasn’t decided