问题
选择题
Using many symbols makes ______ to put much information on a single map.
A．possible
B．it possible
C．that possible
D．it is possible
答案
答案：B
make ＋it ＋adj.＋动词不定式或者宾语从句，此句式中，it是形式宾语，形容词作补足语，真正的宾语后置。
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