问题
选择题
It’s difficult to calculate its price would be if the museum wanted to sell the ancient vase.
A．how many
B．what
C．how
D．whose
答案
答案：B
考查名词性从句。句中what引导宾语从句，在从句中作表语。句意：很难计算如果博物馆想要卖这个古花瓶，它的价格是多少。
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