Em hãy giải thích nghĩa của từ "mặt" trong câu ca dao: Nhịp chày Yên Thái, mặt gương Tây Hồ. Tìm thêm một số ví dụ có từ "mặt" được dùng với nghĩa khác.

I. Write the following sentences, beginning as shown, so that the meaning stays the same. 1.Nam is the tallest student in his class. Nobody in Nam's class 2. It is very dangerous to walk alone after 10 pm in that park. You 3. It is very important that you arrive on time at school. You must 4. The Riverview Hotel is cheaper than the Palace Hotel. The Palace Hotel 5, Why don't we play volleyball this weekend? Let's 6. It's a good for you to take exercise every day. You 7. Shall we go to Ha Long Bay this weekend? How about