some sudents exercise once or twice a week

some sudents exercise once or twice a week exercis very some of the sudents have trouble (make)complete sentences.为什么the best way to improve your english is （study) with a group.为什么? the most of the sudents go to university pursose of is to get some knowledge.这个句子的结构?这个句子出自雅思范文库.是结构有问题还是存在什么新的用法? The teacher gave a paper ___each ___the sudents. .I will give ______ students ______ minutes for them to finish their exercis it will help exercis your arms and other parts of your body to make you fit . look,the sudents are___(clear sth with a mop)the floor there are many sudents in Mr wang's house today.意思汉译 He said he might fall behind the other sudents什么意思 We want sudents——the school show.A、for B、in C、to D、with 英语翻译exercis can increase your endurance so _______不要让你的消极态度妨碍它.用get in way ---Have you got used to your school life here?---Yes,but i don't like___when we have to do exercis how often do you exercise every day?改为同义句__ __ __ a week do you exercis? Exercise(exercis) is (are ) good for our health.Exercise 作为锻炼讲,是不可数名词,后加is 还是are.有exercis这个单词么?如果有,放在这个句子中,需用is还是are. 问题三：如果有exercis 这个单词,那么它和exercise some some some