hòa tan 5,6 lít lưu huỳnh trioxit vào 200g dd H2SO4 19,6%. Tính C% và nồng độ mol của dd axit thu được (D dd H2SO4 = 1,1g/ml)

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EXERCISE 6. Động từ chỉ giác quan .: see , watch , hear ….. 1. People saw him steal your car . ………………………………………………….. 2. The teacher is watching them work . ………………………………………………….. 3. people don’t make the children work hard . ………………………………………………….. 4. I have heard her sing this song several times . ………………………………………………… 5. He won’t let you do that silly thing again . ………………………………………………….. EXERCISE 8 : Passive Infinitive + Have to 1. He wants everybody to serve him . ………………………………………………….. 2. I don’t want anyone to disturb me . ………………………………………………….. 3. She would like someone to post this letter . ………………………………………………….. 4. Someone has to look after the garden . ………………………………………………….. 5. They had to cut down that tree. ………………………………………………….. 6. He doesn’t want people to make him a fool . ………………………………………………….. EXERCISE 9 : Passive Gerund 1. I don’t like people shouting at me . ………………………………………………….. 2. I hate people staring at me . ………………………………………………….. 3. can’t stand people telling me what to do . ………………………………………………….. 4. I don’t like people interrupting me . ………………………………………………….. 5. I dislike people making jokes about me . ………………………………………………….. 6. He enjoys people praising him . ………………………………………………….. 7. He can’t stand her parents watching her all day . ……………………………………………… 8. He doesn’t mind people criticizing him . ………………………………………………….. 9. She hates people asking her about her past . ………………………………………………….. 10. We dislike people cheating us . ………………………………………………….. 14. Who wrote this book? ………………………………………………….. 15. Who has cleaned this room? ………………………………………………….. 41. Nobody swept this street last week. ………………………………………………….. 2. They are going to open a new school here , aren’t they? …………………………………………………………………………………