It was in 1990 ______ the medicine was tested on human patients.
#85003
A
since
B
that
C
before
D
when
推荐题目
Was it 80 years before Christopher Columbus crossed the Atlantic ______ Zheng He hadsailed to East Africa?
#84845
A
when
B
that
C
after
D
since
Sometimes I wonder ______ that has made me feel differently from the others.
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A
how is it
B
what is it
C
how it is
D
what it is
It was because of bad weather __________ the football match had to be put off.
#85115
A
so
B
so that
C
why
D
that
Was it because of the bad weather _____ the sports meeting had to be put off till next Friday?
#85347
A
why
B
what
C
that
D
which