Mary is so wet.She ___in the lake.A.can have fallen B.must have fallenC.had to fall D.needed to fall 为什么不选A,can不是情态动词?表示可能性

she is a wet Mary is a teacher.so she is（为什么） Mary is so wet.She ___in the lake.A.can have fallen B.must have fallenC.had to fall D.needed to fall 为什么不选A,can不是情态动词?表示可能性 Mary works very long h____,so she is very t___ Mary e_________ everyday,so she is in good healthy. （ ）May I speak to Jack,please?_A.who is that?B.who speaks?C.I am Mary.D.Who are you?Why are you buying _ many bananas and _ big a pumpkin?A.so,so B.so,very C.very,very D.very,soHe likes _(make)videos _(make) others _(feel) happy.She _(write) whil Mary is from England,she speaks English very well改为同义句：Mary is_ _ _of English Tom thinks that mary is a good player,_________.A So do I B So she is C So is she 为什么选B而不选A Mary is so young that she can't go to school 改为Mary isn't __ __ __go to school Mary is so self-important that she makes me sick. 这句话怎么翻译啊? Mary is so s____that she can't speak in front of many people Mary is hardworking so she can make a l___ by herself Mary _____ (visit) Britain many times,so she is familiar with its capital city. she is his s_____,Mary She eats too much,so she is getting very _(fat; fatter) Amy learned French by herself when she was twenty year old同义句Amy _ _ Freanch _ _ _ _ Twenty.He is interesting in reading.=He _ _ _ reading.Mary spent all the summer at home.=Mary spent _ _ _ at home. It is r____ these day,so it is very wet. her english book is l_ _,so she is very worried.(l后面添什么)