This exercise is ____ difficult ____.A.so ; that few of us can do itB.too ; for anyone of us to do为什么答案是A?B 错在哪儿?

This is ___ ___ ___ This Is Not An Exercise 歌词 This is ___ grandmother this is good exercise 为什么不是this is a good exercise ? ___(do)exercise is good for us.it is a cold day today.感叹句___ ___ ___ ___it is today! 1.___ is important for all of us to take exercise.A.This B.That C.It D.One2.I ___ carefully,but I could ___ nothing strangeA.heard,listen B.listened,listenC.listened,hear D.heard,hear 1.This is Mary.This is ___ ___. this is my own bike.同义句：this is ___ ___ ___ ___ ___. This is very important,___ ___? This cap is ___ (I). This is _____easy exercise填an还是a This exercise is easy to do.(改为复数形式) 英语翻译This is ___ ___ ___ my ______. The channel is boring.This is ___ ___ channel Is it a universal ___(true) that exercise is good for you?PS:原因 this is boring book.(改为感叹句) ___ ___ ___ ____ this is! This exercise is ___ different ____.A so;that few of us can do B so;that few of us can do itC very;for anyone of us to doD very;for anyone of us to do it This is my family photo改为同义句 This is ___ ___ ___This is my family photo改为同义句This is ___ ___ ___ my____