it is hot in day and cold at night改错
问题描述:
it is hot in day and cold at night改错
答
it is hot in day but cold at night但是他的原题是这样的:it is (hot)A (in)B (day)C and cold (at)D night改错it is hot by day and cold at night如果改成in the day呢?也可以,during the day也行