Scientists say it will be five or six years _____ it is possible to test this medicine on human patients.
#68451
A
before
B
that
C
since
D
when
推荐题目
--Kate wants to know if you a picnic next Sunday.--Yes. But if it , we’ll visit the museum instead.
#41053
A
will have, will rain
B
have, rains
C
have, will rain
D
will have, rains
For more information, please send an e-mail, ____ you can also include your advice to us.
#66841
A
when
B
where
C
which
D
that
I did put the broom behind the door .
#71619
A
where it belongs
B
which it belongs to
C
what it belongs to
D
that it belongs
The World Wide Fund for Nature is an organization_____aim is to protect wildlife.
#73696
A
who
B
where
C
which
D
whose
Hot _______the night air was, we slept deeply because we were so tired after the long journey.
#68391
A
although
B
as
C
while
D
however