One of the most important problems they had to consider was________of public health.
#14614
A
what
B
this
C
that
D
which
推荐题目
There are five people in the room, but I know _____.
#57625
A
both of them
B
none of them
C
all of them
D
neither of them
I’d appreciate _____ if you would like to teach me how to use the computer.
#15407
A
that
B
this
C
it
D
/
To know more about the British Museum, you can use the Internet to go to the library, or _______.
#16899
A
neither
B
some
C
all
D
both
He advised farmers to choose the best seed-heads ,__________ that had the best color .
#16363
A
不填
B
ones
C
this
D
the ones