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phamanh123
2 năm trước
Hòa tan 10g hỗn hợp Của gồm Zn và Cu vào 1 lượng vừa đủ dùng dịch axit Clohiđric 0,5M thu được 2,24lít khí hiđro (dktc) .tính % khối lượng từng chất trong Y ?
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Exercise 2: Put the verbs in brackets into the correct form (gerund or infinitive): 16 I am looking forward to (see)……………. you. 17. He is tired of (walk)…………………… to school. 18 I arranged (meet)……………………….. them here. 19 He urged us (work)………………….. faster. 20 I wish (see)………………… the manager. 6 It's no use……………………. (wait). 7 He warned her (not touch)………………….. the wire. 8 Don't forget (lock)………….. the door before (go)…………………… to bed. 9 My mother told me (not speak)…………………. to anyone about it. 10 I can't understand her (behave)…………………… like that. 11 He tried (explain)……………………….. but she refused (listen). 12 At dinner she annoyed me by (smoke)………………… between the courses. 13 You are expected (know) ……………….the safety regulations of the college. 14 He decided (disguise) …………….himself by (dress)……………….. as a woman. 15 lam prepared (wait)…………………… here all night if necessary. 16 Would you mind (show)……………… me how (work) the lift? 17 After (walk)……………… for three hours we stopped to let the others (catch with us. 18 I am beginning (understand)………………… what you mean. 19 He was fined for (exceed)………………………… the speed limit. 20 The boys like (play)…………… games but hate (do)…………………………. lessons.

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