a has many world records its beautiful buildings and structures.2.He has been a teacher he was 18. 【查看更多】
题目列表(包括答案和解析)
用适当的介词填空。
l. China has many world records _____ its beautiful buildings and structures. 2. He has been a teacher _____ he was 18. 3. Mount Tai is located _____ Shandong Province. 4. He has walked _____ two hours. 5. The project will be finished_____2020.
