he has to practice the guitar .为什么practice不表现动词变位?

he has to practice the guitar .为什么practice不表现动词变位? 用关于make的词组填空1.He has ____ to practice dancing . day he the has to for an every piano hour practice 选择he has to practice - - - -pianoa play ,a .B playing ,the C to play,/ D piaying ,an No,he can't.He has to study的翻译 Liu Xiang _ won another match last month.He was a _(success)The doctor has done as much as he can _(save) the boy.You can't look down on the _(able).Bill is good at doing things and dealing with difficult things.He is _(practice.He seemed to have dif Your father has been to Guangzhou twice,hasn't he.为什么不填has he 或 doesn't he Rick has breakfast and (t ) he goes to school 1.He _______ _______ _______ (写下了)many of the things he has learned from them in scientific papers.2.He doesn't have anybody to practice speaking English _________ at home3.------How ________ is road near your shool?---------It's 30 meters wide John has never been to the space museum,____?A.has John B.has he C.hasn't he she has to practice her guitar .这句话对吗 your father has been to guangzhou twice ,_______?A.has he B.hasn't he C.doesn't he D.isn't he your father has been to GuangZhou twice,( has he,hasn't he,doesn't he,isn't he为什么选b He doesn't want to be late for school,so sometimes he has to r___to school He has to finish the work this afternoon,__?A has he B hasn't he C does he D doesn't he He’s made to exercise every day,___________?A.has he B.hasn’t he C.is he D.isn’t he 怎幺样区别是be还是has He ------- Beijing .I don't know when he did it.A has gone to B has been to选哪个 Peter is ()English.he()to practice English more.单项选择A.good at...haveB.poor at...haveC.good at...hasD.poor at...has