he is very old,,he is quite healthy空格是用but还he is very old,,he is quite healthy空格是用but还是however,如果是but是为什么?

I think he is very old.(该否定句） I ---- -----he-------very old. A____ his grandfather is very old , he is very healthy Even though he is very old,he can work.改错 He is i----- in getting on line.My baby sister is two m---- old,and she is very lovely. The old man is very k___.He knows everything 句型转换He is very old,but he still works very hard.Though_________,____________. Although he is very old,( )he works very hard 中能不能填but He is very old,but he still works very hard.(同though改写）急! He is old (young). He is very old,but he is healthy.的同义句怎么改 What he said was ok.句子结构划分 I know want it is The old man thinks he is Mymother works very har How old is Jack?I think_____(he is)12.填空 he is very old,() he works like a young man.里面是填and还是but? He looks very old but he is still in his___(thirty) Although he is very old,he sitll works hard (改为同义句）He is very old,_______he ________ ________working hard Tony is six years old.He likes ( )all kinds of books.( )he is very young,he knows. Mr.Wang is our English teacher.He is fifty years old.He is strict (严格的) at his work,but he is good.He teaches English well.We think English is very interesting.We like him very much,too.How do the students think of Mr.Wang?A.He is strict.B.He i the old is n_____ 70 years old, but he looks very strong