1,mary didn't go to school yesterday because she was sick because of......................................................... 2,she went to bed early because she felt tired because of.................................................. 3,ann didn't go to the circus with betty because she had a bad cold because of.................................................... 4,john succeeded in his exam because he worked hard and methodically because of............................................................ 5,margaret stayed home because her mother was sick because of................................................................... 6,i like him because his father is kind to me because of........................................................ 7,i can't study because it is noisy because of............................................... 8,i can't eat these fruits because they are green because of......................................................... 9,the train came late because it was foggy because of.......................................................... 10,we stopped our car because the traffic lights turned red because of............................................................ 11,john got a bed cold because he smoked cigarettes because of..................................................... 12,john is fat because he eats so many chips because of................................................................. 13,they can't go out because it is raining heavily because of........................................................... 14,there were obstacles the building didn't go along as planned because of............................................................... 15,we all admire this man because he is wise because of.................................................................... giúp nhanh bài này vs ạ