China has recently ______ its waters controls near the Diaoyu Islands to prevent Chinese fishing boats from ______ in the East China Sea.
#67723
A
show up; attacking
B
taken up; having attacked
C
stepped up; being attacked
D
picked up; having been attacked
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 Mary devoted her life       the sick.
#68321
A
to care for
B
caring for
C
to caring for
D
to have cared for
. It is so nice to hear from her. ______, we last met more thirty years ago.
#63863
A
What’s more
B
That is to say
C
In other words
D
Believe it or not