We begin to clean our classroom at 4:30 pm.

We begin to clean our classroom at 4:30 pm. We begin to clean our classroom at 4:30 pm. We have to clean the classroom every day before the lessons begin的意思 we s___ to clean our house We had to clean all the furniture. The party will begin at 8 o'clock in the evening.Remember to come___.Someone____a notice on the blackboard.We should keep our classroom clean and tidy.Weshould not leave rubbish____ We have to get enough clean water.We ______get enough clean water.(用must改写） 1、you have to clean the classroom after school 2、ou should do your homework every day都改为祈使句 2.We ____(begin) to learn English since 3 years. We must get there before it ___(begin)to rain. begin to to begin We have to clean the house ( ) time to time. We were made to clean the classroom中to可省吗?clean the classroom做宾补吗 Before you begin to study,do not——to clean your desk.中间空处填一个词 we have to clean the classroom every day what should we do to keep water clean we have to clean the classroom改为一般疑问句