题目内容
Mom started early in the morning, so I guess it ________ be long before she phones me about her arrival.
[ ]
A.
wasn't
B.
isn't
C.
won't
D.
hasn't been
答案:C
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题目内容
Mom started early in the morning, so I guess it ________ be long before she phones me about her arrival.
wasn't
isn't
won't
hasn't been