It was in 1990 ______ the medicine was tested on human patients.
#85003
A
since
B
that
C
before
D
when
推荐题目
His writing is so neat that it’s easy for the teacher to make out ______ he is trying to express.
#84819
A
what is it that
B
that it is what
C
that is it what
D
what it is that
Was it in this very room ____ he made up his mind ____ he should break away from his family?
#85495
A
that; which
B
which; that
C
which; which
D
that; that
It was after he got what he had desired _____ he realized it was not so important.
#85443
A
that
B
when
C
since
D
as