Mary__her bike for two years.A.have bought B.has bought C.have had D.has had

Mary__her bike for two years.A.have bought B.has bought C.have had D.has had Mary__her homework last night but she can't find it now Adoes finish B.did finish C did finished She ___have left school,for her bike is still here wouldn't, shouldn't, can't ,needn't 选哪个 go for a bike tom likked for his bike()but he couldn't find it ()填everywhere还是anywhere? Nancy can't find her bike,so she goes to the teacher for help.中为什么用for? Nancy can't find her bike ,so she goes to the teacher for help.中的“for help”是啥意思? bike is short for b_________ bike is short for b_________ go for a bike ride Bike is short for b____why She 【】have left school ,for her bike is still here.A.can’t B.wouldn’t C.shouldn’t D.needn’t doesn't know .what bike should he buy for his daughter?合并为一句he doesn't know___ ___ ___ ______ for his daughter Betty———— （look for） her bike here and there,but she couldn't find it. She ( ) have left school,for her bike is still here.A can'tB wouldn'tC shouldn'tD needn't The summer vacation is coming.Let's go out for a bike ride,ok?I haven't decided on out Jack's bike doesn't work.that's____he is late for school.为什么选why要详细一点 I didn't really want to bike all those miles for two days straight.straight在这里指什么? His teacher _____ her bike now,but she can't _____ it.选择：A.finds,look forB.looks for,findC.is looking for,findD.looks for,finds