单项选择题

It is ______ he often fails in exams ______ makes his parents worried about him．

A．what；that
B．that；what
C．that；that
D．/；that
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单项选择题
______ for us to surf(冲浪) on the sea in summer!
A. What exciting is it
B. How exciting is it
C. What exciting it is
D. How exciting it is
单项选择题
Tom wanted to play football with his friends in the street, but his father told him ______.
A. not to
B. not to do
C. not do it
D. do not to
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