My mother thinks ____ important to claen the birdge every day.A.that B.this C.it D./为什么这道题选C,不应该是it is important 形容词前面应该有be动词

I like singing. but my mother thinks I ___sing well. my mother thinks ___ important to clean the birdcage every daya) thatb) thisc) itd) /请问选什么?为什么不能用 it's She thinks her job is very interesting.She works hard ___ often goes home very late.填什么?They my father,my mother and I.My father is ...My mother is a teacher.She work in a middle school.She thinks.选项A and B but C or D because My mother takes good care of my grandmother My grandmother ___ ___ ___ ___ ___by my mother. My mother thinks that_____ (watch) TV is bad for my study My father d------to cook.Because he thinks it is for my mother 英语翻译David's mother disagee ,because she thinks this dream ___ ____ ____ ____ My mother is ___ clothes.怎么填 I'm talking ___ the phone ___ my mother. My mother tell me not to ___ ___ too late. My mother thinks that a present like that isn't s____ enough. My mother thinks the house is good to live in 为什么后面要用in My mother allows me ___(watch)My mother allows me ___(watch) TV on Saturday. My mother is happy today.(改为否定句) My mother ___ ___ today. My mother watches three hours of TV every day同义句 ___ ___ my mother three hours ___ ___ ___everyday. My mother got up twenty minutes ago.同义句转换___ ___ twenty minutes ___ my mother ___ up My father daesn't cook as carefully as my mother.(改为比较级)My mother cooks ___ ___ than my father. ___ my mother ___ ___ ,my father came back (用while写)