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 is not where you come from or what you are, but the ability to do the job matters.
#85215
A
one
B
that
C
what
D
it
—He was nearly drowned in a pool.—Oh, when was ______ exactly?— It was in 1983 _______ he was swimming with his friends.
#84991
A
this; that
B
that; when
C
that; that
D
it; where
It was in 1969 ______ two Americans went to the moon by spaceship.
#84849
A
that
B
before
C
when
D
Since
It’s the test system rather than the teachers ________to blame for the students’ heavy burden nowadays.
#84870
A
who are
B
whom is
C
that is
D
that are