– I rang you at about ten o’clock, but t
问题:
– 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
– 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