Chinese scientists have produced an embryo of a giant panda through cloning technology,_____ is a breakthrough ______ could save the endangered animals.
#67247
A
that; which
B
which; that
C
which; what
D
that; what
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The reason ________ is given for her absence is _______ nobody reminded her about the meeting.
#70281
A
which ; because
B
that ; that
C
/ ; because
D
why ; that
It was the belief _____ Alex Haley could find his “root” in Afric______ made him decide to go to Gambia.
#67967
A
that; which
B
which; which
C
that; where
D
that; that
______________ I try to make time to go out and have fun, my grades _____________.
#68358
A
For the first time; trap
B
The first time; count
C
Every time when; worsen
D
Every time; suffer