What time do you usually have your first class?____eight o'clock__英语解答

What time do you usually have your first class?____eight o'clock____the morning.
A.at;on B.at;in C.on;in D.on;on -

人气：177 ℃　时间：2019-11-01 02:16:25

解答

选 B
解析：
①在几点用介词 at
②在早晨,固定搭配：in the morning
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