为什么Tom with his classmates 是复数后面还是要用第三人称单数

Tom,with his classmates___fottball every Sunday afternoon.Tom,with his classmates___fottball every Sunday afternoon,A、play B、plays C、playing.选择哪个?为什么? with,drawing,Tom,is,his,pictures,pencil(.) Tom with his friends often ( )footballafterchool.(play) Tom with his borther______playing football very much.（LIKE还是LIKES）为什么 Tom with his frends _______TV now.为什么填入的是 is watching? 为什么Tom with his classmates 是复数后面还是要用第三人称单数 Tom together with his classmates ________ (draw)pictures from two to three yesterday afternoon为什么 Tom often goes to work (riding )with his father.为什么用riding? Tom with his classmate is having an english lesson now 这里为什么用　is having? Tom went to play,with his homework finished为什么用finished Is Tom with his parent in China last year中为什么用is 完形填空：Tom gives his picture with () the tezcher.A.atB.inC.toD.for为什么？ Tom shouted at his wife,“you ______ （find） fault with me”为什么填这个形式 Tom had been hit on the(his) head with a ball为什么不能用his代替the,求原因, tom will go skating with his brother tomorrow同意句tom ------- ---------skating with his brother tomorrow tom with his mother goes to park.可以改为 tom goes to park with his mother Tom needs some help ______ his homework.Can you help______?Tom needs some help ______ his homework.Can you help______?A.to ;heB.with;himC.to:himD.with;his请问,为什么选B而不选C? Tom had the same oponion with his teacher.=Tom ___ ___ his teacher.