Li Fang is very busy,___she is always helping others with (their) lessons.Abut Bfor选什么,另一个错在哪

Li fang is very busy ,____she is always helping others with their lesson.A.butB.althoughC.soD.for百度答案是d,为什么不可以选a? Li Fang is very busy,___she is always helping others with (their) lessons.Abut Bfor选什么,另一个错在哪 Li Fang is very busy,▁she is always helping other with lessons. A.but B.so C.although D.for When is Li Siguang's birthday?I am very busy! This is Li Fang's bedroom.Its not big,but very nice 这个句子哪里错了 is o______ very busy. Li fang is being interviewed by a group of interviewes everybody is very busy.还是everybody are very busy.正确 This is Li Fang's bedroom.Its not big,这两个句子哪里错了 Who is __ at English,Wu Dong,Li ting or Fang Ming?(good) ___is a girl and___ name is Li Fang [she] 直线上填什么 16.Wei Fang doesn't speak English as well as Li Hua.Wei Fang speaks English _____ _____ Li Hua.16.Wei Fang doesn't speak English as well as Li Hua.Wei Fang speaks English _____ _____ Li Hua.17.Tom felt very tired.He couldn't move any more.Tom felt __ Today+is+very+busy!+Sorry+everbody. she is very busy all day 复数 It's very busy,but is Shi is very busy.的同义句 This is a very busy semester. Liang Li always helps others_____ she is very busy.A.butB.andC.althoughB.because我自认为B可以,可答案是C,为什么?