Quy đồng mẫu phân số sau : a) 3/8 và 5/27 b) -2/9 và 4/25 c) 1/5 và -6

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Kết hợp mỗi cặp câu sau đây thành một câu, sử dụng “ S+ be(not)+ adj +enough+ to + V….” 1/ He is trong. He can carry the box. ……………………………………………………………………………………… 2/ My sister is old. She can drive a car. ……………………………………………………………………………………… 3/ The weather wasn’t warm. We couldn’t go swimming. ……………………………………………………………………………………… 4/ The ladder wasn’t very long. It didn’t reach the window. ……………………………………………………………………………………… 5./ The ice is quite thick. We can walk on it. ……………………………………………………………………………………… 6/ It wasn’t warm. We couldn’t sit in the garden ……………………………………………………………………………………… 7/ The fire isn’t very hot. It won’t boild the kettle. ……………………………………………………………………………………… 8/ The radio isn’t small. You can’t put it in your pocket. ……………………………………………………………………………………… 9/ She is beautiful and intelligent. She can become Miss World. ……………………………………………………………………………………… 10. The weather was fine. We could go camping. ………………………………………………………………………………………