问题
选择题
is a good idea to bring your camera because you may want to take photos of the autumn leaves.
A．This
B．It
C．That
D．What
答案
答案：B
考查代词的用法。当不定式短语较长时，通常用it作形式主语放在句首，将真正主语不定式结构放在句子后部。故选B。
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