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min24yeon
2 năm trước
phương trình chuyển động của một chất điểm dọc theo trục Ox có dạng: x=40t (km,t). Chất điểm đó xuất phát từ điểm nào và chuyển động với vận tốc bằng bao nhiêu
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* Supply the correct verb tense: I (take) ____________ Nam to the market tomorrow. You (be) ____________ at Ba’s house tonight. She (look) ____________ after her cat. We (be) ____________ doctors ten years ago. They (be) ____________ teachers next year. You (be not ) ____________ at school yesterday. She (not help) ____________ Lan tomorrow. We (be not) ____________ doctors last year. They (be not) ____________ teachers a year ago. Na (be) _____________ a good girl last year. Na and Nga (be) _____________ students soon. My friend (be) _____________ a good child some day. Your friends (be) _____________ in Long Giang a year ago. My teacher (be) _____________ in Long Dien B last year. Her teachers (be) _____________ at school last Saturday. Na (be not) _____________ a good girl yesterday. Na and Nga (be not) _____________ students. My friend (be not) _____________ a good child. Your friends (be not) _____________ in Long Giang. My teacher (be not) _____________ in Long Dien B. Her teachers (be not) _____________ at school. ___________ Na (be) a good girl? ___________Na and Nga (be) students? ___________my friend (be) a good child? ___________your friends (be) in Long Giang? ___________my teacher (be) in Long Dien B? ___________her teachers (be) at school? ___________ you a student last year? Nam (be) _______ a good student two years ago. I (want) ____________ to stay home last summer. You (want) ____________ to go to school yesterday. She (want) ____________ to cook dinner last night. He (want) ____________ to listen to music an hour ago. They (want) ____________ to go to the zoo last week. We (want) ____________ stay in bed this morning. I (not want) ____________ to go to work in 1999. You (not want) ____________ to go to school yesterday. She (want) ____________ to cook dinner last night. He (not want) ____________ to listen to music yesterday. They (not want) ____________ to go to the zoo last week. We (not want) ____________ stay in bed this morning. Ba (not want) _____________ to play soccer with his friends yesterday. Lan (wash) ____________ her clothes yesterday. You (wash) ____________ your hair ten minutes ago. He (wash) ____________ his car. I (wash) ____________ up the dishes. They (wash) ____________ their house. We (wash) ____________ our watch. Lan (not wash) ____________ her clothes. You (not wash) ____________ your hair.

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