6. Vẽ hai đường thång cắt nhau sao cho các góc tạo thành có một góc 47. Tính số đo các góc còn lại. 7. Ba đường thẳng xx', yy', zz' cùng đi qua điểm O. Hãy viết tên các cập góc bằng nhau. 8. Vẽ hai góc có chung đinh và có cùng số do là 70°, nhưng không đối đỉnh. 9. Vẽ góc vuông xAy. Vẽ góc x'Ay' đối đỉnh với góc xAy. Háy viết tên hai góc vuông không đối đỉnh.

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II. Put the verb in bracket into the past simple then turn into interrogative and negative. 1. Hoa and Lan (buy) ___________ some books yesterday. ____________________________________________________________________ ____________________________________________________________________ 2. Our friends (watch) ____________ a game on TV last night. ____________________________________________________________________ ____________________________________________________________________ 3. Ba’s teacher (give) _____________ him a lot of homework last week. ____________________________________________________________________ ____________________________________________________________________ 4. Our class (go) ___________ to the zoo 2 days ago. ____________________________________________________________________ ____________________________________________________________________ 5. Their grandmother (tell) ____________ them a lot of stories last year. ____________________________________________________________________ ____________________________________________________________________ 6. Lan (wear) ____________ a new dress at my party last night. ____________________________________________________________________ ____________________________________________________________________ 7. They (watch) ______________ TV last night. ____________________________________________________________________ ____________________________________________________________________ 8. Hoa’s mother (go) ____________ shopping yesterday. ____________________________________________________________________ ____________________________________________________________________ 9. We (visit) _____________ our grandparents last weekend. ____________________________________________________________________ ____________________________________________________________________ 10. I (receive) _________________ a letter yesterday. ____________________________________________________________________ Giúp em với mọi ngừi