动词的-ed,-ing
1.____fromaspaceship,theearthlookslikeablue,greenandwhiteball.
A.Seeing?B.SeenC.Tosee?D.Saw
2.Tom____hisarms____inasoccergame.
A.have,breakingB.has,tobreak
C.had,brokenD.had,tobebreaking
3.Themanmangedtomakehimself____withhis____French.
A.understood,breakingB.understands,broken
C.understand,breakingD.understood,broken
请说明为什么选此项,其他选项为什么错!