He must try to help his sister with her math?为什么try不加s

He must try to help his sister with her math?为什么try不加s he must try to eat_(little)food His math is poor,you must ________ him.A.try help B.trying to help C.try to help he said he would try every means to help us his English is very poor.You must _________ him1 try help 2 trying to help 3 try to helps 4 try to help 1.He must ________ his sister with her math.A.try help B.trying to help C.trys to help D.try to help2.she goes to school ____ his father's car.A.by B.in 3.We should do everything carefully.(这里的carelly可以换成________) A.with great care B.wi We must try to i______ ourselves with the help of teachers. 初二英语UNIT 51.We must try to i______ ourselves with the help of teachers.2.I thank it's not right for her _____(argue)with her parents.3.He is talking on the telephone ______(happy). We must try our best to help them___difficulty.A.out from B.throught C.out of D.out off try one's best同义词He tried his best to help us.He ( ) ( )he could to help us可以讲下原因么， once you want,you must try to With his teacher _____ he wanted to try it a second timeA. helping B. to help C. help D. helped 请问选哪个答案,怎么解释啊? It's a very ___(worry)situation,but we will try our best to help.He told the reporte. You must turn to him for help.Only how to solve this prolem.A.knows he B,does he know C.he knows D.he is knowing I'm proud of a ChineseI am Proud I am Chinese Seeing the negative things in China does not affect my proud of being a Chinese.There must be some optimistic people within a country to try everything he/she can to help,or make progress (no matter how s You must try to be calm可以说You must try calm吗 we are league members .we must try to help ____.A.other B.others C.the others D.another people请讲明理由 He always ___(try help) others.应该填什么?