It is ______ he often fails in exams ______ makes his parents worried about him.
#94553
A
what, that
B
that, what
C
that, that
D
/, that
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I asked you ________ my dictionary—now I can’t find it.
#92714
A
not to move
B
to not move
C
not moving
D
did not move
 Our teacher always speaks slowly and clearly in class _____.
#91926
A
so as to be understood
B
to have understood
C
so as to understand
D
to understand