—Hello!May I speak to Anna?—Sorry,she isn`t in.She ___ her optometrist appointment.—Hello!May I speak to Anna?—Sorry,she isn`t in.She ___ her optometrist appointment.A.in B.on C.at D.with答案给的是C,但我想知道为什么不能填with?
问题描述：
—Hello!May I speak to Anna?—Sorry,she isn`t in.She ___ her optometrist appointment.
—Hello!May I speak to Anna?
—Sorry,she isn`t in.She ___ her optometrist appointment.
A.in B.on C.at D.with
答案给的是C,但我想知道为什么不能填with?
答