mend的过去式是mended 还是 ment

mend的过去式是mended 还是 ment I will get it 后是用mend还是mended 为什么 请赐教 mend的过去式和过去分词是什么? Could you tell me ( )the radio with out any help?A: how did he mend B:what did he mend C:haw he mended D:what he mended答案是哪个?为什么? You'd better have your shoes mended/mend 修自行车是用mend还是repair? 修理汽车是用mend还是repair? 几道被动语态的题1.Jack's watch wants____.A.mending B.to mend C.mended D.be mend.答案是A为什么不是C?2.THought heoften made his sister ____,today he was made ----by his little.答案是cry,to cry第二个为什么是to cry,make后不是 There is a hole in our bag I know.I'm going to have it ____A mend B mending Cmended Dto be mended为什么不选D? I need time _ my computerA to mend B mending C mend D mended I need time __my computer a.to mend b.mending c.mend d.mended have you mended your shoes,bob?yes,i ____them 20 minutes ago.选什么,a.have mended b,mend c,had mended d,mended 一Have you mended your shoes,Bob?一Yes,I______them twenty minutes ago.A.have mended B.mend C.had mended D,mended you had better ( ) your shoes ( )A.to have ,mended B.have,mended C.have,mending D.have ,mend Whom would you rather__the shoe?A.have to mend B.have mend C.have mended D.had mended就不能说清楚是什么理由吗？哎！ 请问learnt 是learn的英式过去式还是美式过去式 请问burnt 是burn 的英式过去式还是美式过去式 This car needs () .A.mend B.mending C.to mend D.mended本题考点有哪些？语法有哪些？