专题训练短文填空第一单元用方框中所给单词的适当形式填空(每次只能用一次)。will think because exercise friend but healthy different bad too Amy and betty are good .They are in the same class and sit together .After school , they go home together. However(尽管如此), they have many habits. On weekends, Amy likes to stay at home , watch TV or , but Betty often goes out to play basketball . Amy eats candy every day , she knows it is for her health. Betty likes ca