It is _____ he often fails in exams____ makes his parents worried about him.
#84877
A
because；that
B
that；that
C
不填；that
D
what；that
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It was at the gate of our school ____we gave the visitors a warm welcome.
#84891
A
where
B
how
C
that
D
/
It was global warming , rather than other causes , ______ led to the extreme weather .
#84837
A
which
B
who
C
that
D
what
—The patient looks much better.________ is it that has made him ________ he is today?—Perhaps the special medicine and his family's patient care.
#84750
A
What；that
B
That；that
C
What；what
D
What；which
If you have a job, ________ yourself to it and finally you’ll succeed.
#85099
A
do devote
B
don’t devote
C
devoting
D
not devoting