一定要注意，一般过去时的一般疑问句，无论主语是第几人称，是单数还是复数，都要用助动词did提问。I often _______ ________ with my father last year.9. 他们去海边玩的很开心。
2.It often s______ in the north ofChinain winter and the weather is very cold.3. They are inFranceon v______.4. It’s too h_______. Let’s go
