Dựa vào từ gợi ý viết thành câu hoàn chỉnh
1. Mai/ I / be/ pen pals. We/ write/ each other regularly.
2. How much/ it/ cost/ mail/ local letter/ your country?
3. Excuse me. Could/ you / show/ way/ Horizon Hotel
4. I need/ buy three envelopes/ five stamps/ Australia
Thanks