i am reading,not ___A am writing B write C writing D was writing选哪个,为什么为什么不选A呢

I am not ___(free) very well I am reading books,( ) I am not good at ___(swim),but I am good at ___(skate) I ___ think you are ___ right.A.don't;/ B.am not;/ C./;not D.am;not I think ___ not diffcult ___ English every morning.A.that;keep reading B.it's;keep readingC.that;to keep reading D.it;to keep reading I am bearing too much.I am not ___(up to.on.for.out) it. I am reading an (i ) book I am i( ) in reading books. am not 有缩写形式么?例如I am a girl,___ ___?的反意疑问句是什么? I did not my homework yesterday修改病句还有一个。I am reading a interesting story修改病句 What are you doing,MeiMei?I am reading a letter ___ my pen pal.She is studying ___Japen. I am not feeling very well.(改为同义句) I ___ feel very well. i am not ___ in this film .i won't see it again .(interest ) I am afraid not. I am not little ' I am not alone.'.. i am not chinese I am not worth