it is good for us _______(walk) after meals

Doctors say it is good for us.(同义句转换）Doctors say it __ __ for us. it is good for us Doctors say it good for us.=Doctors say it __ __for us.(同意句转换)DOCTORS SAY IT IS GOOD FOR US.DOCTORS SAY IT __ __ FOR US. is it good for for us or bad for us it is good for us study english I think it's difficult __(be)good at EnglishThe died fish is really ___(salt) for us. Reading is good for us同义句改写It is good for us( )( ) This is a good place for us to take a vacation 的同义句 This is a good place __ __ __ __ __ __ It is hard for us __(exercise)every day It is hard for us __(exercise)every day.why? it is good for us _______(walk) after meals it is good for us (eat)an apple every day it is not good for us ( laugh) at others it is good for us to be动词是哪个? it is imperative for us to remain on good terms Doctors say it is good for us 同义句转换 Doctors say it___ ___ for us. We n___to eat some fruit every day.It good for us.__填什么? water is good for us.