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wendychu2003
2 năm trước
Thế nào là sự nóng chảy? Nhiệt độ nóng chảy và nhiệt độ đông đặc của cùng một chất là giống nhau hay khác nhau? Cho một ví dụ có cả hiện tượng nóng chảy và hiện tượng đông đặc
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1. He got into bed with a hot-water bottle and ________ his cold out before it could have developed into flu. * A. sweated B. sweat C. has sweated D. sweatened 2.Of one thing I am sure; at no time _______ her father's name. * A. didn't she use B. she has used C. she did use D. did she use 3."Where's your green dress?" - "Unfortunately it _______ in the first wash." * A. shrunk B. shrinked C. has shrunken D. shrank 4.We should take Dingo with us just in case one of the boys _______ nasty. Not that I'd like them to. * A. turns B. will turn C. would turn D. shall turn 5.Taking the Duke by surprise, the girl _______ her arms round his neck trying to kiss him. * A. has thrown B. threw C. thrown D. was throwing 6.Before hanging new wallpaper in my bedroom, I _______ the shelves over my bed, which took me over two hours. * A. have unscrewed B. unscrew C. had unscrewed D. unscrewed 7.It's too late. We won't fix it for the race no matter how fast we _______. You should've come earlier * A. will work B. were working C. work D. would work 8.We _______ the bill and it might have been worse - each of us had to pay about $ 60. * A. have split B. split C. splitted D. had splitted 9.Each time we drove into the sun, my daughter _______ down the window on her side of the car. * A. winded B. wound C. has been winding D. has winded

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