It’s for a 7-year-old boy to work out the difficult problem. 【查看更多】
题目列表(包括答案和解析)
用所给词的适当形式填空。 l. Don't play while _____ (eat). 2. It's_____ (usual) for a 7-year-old boy to work out the difficult problem. 3.Who jumps_____ (high)in your class? 4. Why don't you try_____ (ride) a bike to go to school? 5. Keep_____ (work) hard until you make it.
