用in a sunny morning 还是on a sunny morning?为什么?那on Sunday morning呢

用in a sunny morning 还是on a sunny morning?为什么?那on Sunday morning呢 on a sunny morning 还是in a sunny morning同上 on a sunny morning为什么用on? 为什么是on a cold night,in a sunny morning it was a lovely sunny saturday morning in early october in the sunny morning是什么意思 Early__the morning of May 1, we started off___the mountain vallage. 为何选A：in；for,为什么?谢谢on a rainy morning, on a sunny morning， on Sunday morning,为何 用on？而in the morning of May 1用in。 谁能解释为什么用in a sunny morning 用in.on Monday morning 用on.和in、on、和at的用法. 用on a sunny morning造一个句子 It's sunny morning,The children_(have)a good time in the park填什么?为什么? Is going to be a cloudy in the morning and sunny in the afternoon.同义句转换It's going to be a cloudy in the morning and sunny in the afternoon.同义句转换(上面的是错的) It was sunny in the morning.（改为一般疑问句） 日期与介词的搭配以下几个题目：下划线上填写in或on1____ the morning 2____ a sunny morning3____ that day4____ a sunny day5____ a day of sunny应该填写那些介词?有什么规律? the children will visit the great wall ( )a sunny morning 用介词填空 it was sunny and hot in the morning we went to a (n ) beach括号里填什么单词 you can be surprise many people take an umbrella or a raincoat take them in the sunny morning翻译 English people usually take an umbrella or a raincoat( ) them in the sunny morning(填副词） “Are they going() a picnic () a sunny morning?”两个空填什么?为什么?有选项的A.on,in B.on,on C.in,in D.in,on