① How does Amy feel? ____     A. I went swimming．

② What did you do last weekend? ____     B. He is a teacher．

③ Where does John come from? ____     C. He comes from the USA．

④ What's your father's job? ____     D. We have English and music．

⑤ What do you have on Mondays? ____     E. She is tired．

⑥ What is the tiger doing? ____     F. Please hold on．

⑦What will you do for your mum? ____     G. At 7: 00 a．m．

⑧Whose dog is it? ____     H. I'll cook noodles for her．

⑨Can I speak to your mum，please? ____     I. It's walking．

⑩When do you do morning exercises? ____     J. It's hers．

在海边看到有帆船从远方驶来时，总是先看到桅杆，再看见船身，而目送帆船远去时，先是看不见船身，最后才看不见桅杆。海上帆船的地理事实说明（　　）