Bài 1: Cho tam giác ABC, M là trung điểm của AB, N là trung điểm của AC. Lấy điểm D sao cho N là trung điểm của MD

a) C/m CD=AM, CD //AM

b) C/m tam giác BMC = tam giác DCM

c) C/m MN//BC, MN=1/2BC

Use the words in brackets to make complete sentences

1. Most/the students/already/go/home/.

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2. They/go/that village/to/help/homeless people/last month/.

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Comebine the sentences. Use the words in brackets

She would come, and (he)

Tìm và sửa lỗi sai

1. Peter cooks very good

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2. Alexsander Graham Bell was born in English

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3. Will you pick me on after the party?

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4. He went to Boston since he was twenty-three

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5. Deaf-mutes can neither speak or hear

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