问题
选择题
Do you know where my address book is? — It________ be in the hall cupboard. I think I saw it this morning.
A．could
B．can
C．will
D．must
答案
答案：A
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Do you know where my address book is? — It________ be in the hall cupboard. I think I saw it this morning.
A．could
B．can
C．will
D．must
答案：A