The field research will take Joan and Paul about five months;it will be a long time_____we meet them again.
#79984
A
after
B
before
C
since
D
when
推荐题目
London is the city ____ has got the chance to host the 2012 Olympic Games .
#34670
A
which
B
what
C
it
D
where
It doesnt matter ________ you pay by cash or credit card in this store.
#30822
A
how
B
whether
C
what
D
why
Dr Yuan Longping grows ________ is called super hybrid rice, _________ has a high output.
#31971
A
what; which
B
that; what
C
that; which
D
what; what
Mr. Green has made another wonderful discovery, ______ great importance to science.
#34201
A
which I think is of
B
which I think it is of
C
that I think is of
D
I think which is of