It was 80 years before Christopher Columbus crossed the Atlantic______ Zheng sailed to East Africa
#84980
A
when
B
that
C
after
D
since
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I have always been honest and straightforward, and it doesn’t matter ___ I’m talking to.
#84782
A
who is it that
B
who it is that
C
it is who that
D
it is whom that
It was at the very beginning____ Mr. Smith made a decision ___we should send for a doctor．
#84902
A
what，that
B
that，which
C
which，that
D
that，that
It is the interaction between people, rather than the events ___ occur in their lives, ____ is the main focus of social psychology.
#84838
A
that; that
B
that; which
C
which; which
D
that; what