Scientists say it may be five or six years_______it is possible to test this medicine on human patients.
#92600
A
when
B
after
C
before
D
since
推荐题目
We should make____a rule for us that the last to leave the classroom shall turn the light off.
#92247
A
it
B
that
C
one
D
all
____is no doubt ____ Bob can win the first price in the match.
#92364
A
There; that
B
It; that
C
There; whether
D
It; whether
My English teacher’s humor was ___make every student burst into laughter.
#93748
A
so as to
B
such as to
C
such that
D
so that