题目内容
-I rang you at about ten o’clock, but there was no reply.
-Oh, that was probably _________ I was seeing the doctor.
[ ]
A.
when
B.
why
C.
what
D.
that
答案:A
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题目内容
-I rang you at about ten o’clock, but there was no reply.
-Oh, that was probably _________ I was seeing the doctor.
when
why
what
that