There is a saying ____swimming is a good way to keep fit.
#71719
A
which
B
what
C
that
D
where
推荐题目
I wouldn't manage to do it___ you had explained how.
#73583
A
unless
B
until
C
when
D
since
I have two grammars, ______are of great use. 
#73806
A
all of which
B
either of which
C
both of that
D
both of which
I’ve already told you that I’m going to buy it, ________.
#67719
A
how much does it cost
B
no matter how it costs
C
however does it cost much
D
however much it costs
The engineer ______my father works is about 50 years old. 
#73792
A
to whom
B
on whom
C
with which
D
with whom