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nxd1607
2 năm trước
Một loại muối ăn có lẫn các tạp chất CaCl2, MgCl2, Na2SO4, MgSO4, CaSO4. Hãy trình bày cách tách riêng các chất trên Các bạn giúp mình trc 9h15 vs ạ. Mình đang gấp lắm rồi, rất cảm ơn các bạn
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II/Complete this paragraph with correct form of the verbs. In my last holiday, I went to Hawaii. When I (go) (1) …………to the beach for the first time, somethingwonderful happened. I (come) (2) …………near my mother when she was sleeping in the sun. When my brother was building a sand castle, my father (take) (3) …………. him some water. Suddenly, I (see) (4) …………a boy on the beach. His eyes were blue like the water in the sea and his hair (be) (5) …………beautiful black. He was very tall and thin and his face was brown. My heart (beat) (6) …………fast. I (ask) (7) …………him for his name with a shy voice. He (tell) (8) …………me that his name was John. He (play) (9) …………with me at the beach. In the evening, we met again. We ate pizza in a restaurant. The following days we (have) (10) …………a lot of fun together. At the end of my holiday when I left Hawaii I said goodbye to John. Now, I (read)…………….. a letter from him and I will answer him soon.

Choose the word or phrase that is CLOSEST in meaning to the underlined part in each of the following sentences. Question 16: Do you know when the national museum ____ next month? a) are opening b) do open c) will open d) opens Question 17: Hien is a beautiful girl with a long black hair and a straight nose. a) a b) astraight c) nose d) black hair Question 18: Van: “I ________ to the supermarket to buy some fruits. Do you want to go with me?” Lan: OK, I ____ with you. a) go, go b) Will go, will go c) am going, am going d) Am going, will go Question 19: Ha Anh always gets up early, so she is usually early for school. a) hard b) late c) on time d) at work Question 20: she is so patience that we always want to talk to her. a) patience b) talk to c) so d) want Question 21: We will go to the countryside to visit our grandparents once a month. a) will go b) to c) our d) once

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