It was in 1990 ______ the medicine was tested on human patients.
#85003
A
since
B
that
C
before
D
when
推荐题目
It was his nervousness in the interview ____probably lost him his job.
#85527
A
which
B
since
C
that
D
what
It is only gradually, with the passing of years, _____ to a clear understanding of their position.
#85020
A
that they come
B
do they come
C
that come
D
when they come
It was ______ 7:30 that he _________ home yesterday, so his parents were very worried.
#85004
A
until; not got
B
not until; got
C
until; didn’t get
D
didn’t until; got
It was not until late in the evening _____ her husband arrived home.
#84676
A
which
B
when
C
that
D
How