Scientists say it may be five or six years ____ it is possible to test this medicine on human patients.
#92433
A
since
B
after
C
before
D
when
推荐题目
Modern science has given ____clear evidence ____ smoking can lead to many diseases ____ it’s time for us to take measures.
#92417
A
such; what; that
B
such; which; as
C
such; that; that
D
such; where; that
It was with great courage ______ the boy told the truth _______ he had stolen the money.
#94215
A
which; that
B
when; what
C
as; that
D
that; that
How long ______ we take part in the college entrance examination?
#92168
A
is it since
B
will it be before
C
is it when
D
will it be since
–Well, I do think the rabbit is a beautiful,gentle animal which can run very fast.– ______.
#92359
A
So it is
B
So is it
C
So does it
D
So it does
It was not until she got home ______ Jennifer realized she had lost her keys.
#95163
A
when
B
that
C
where
D
before