1.I like getting up very early in summer.The morning air is so good _______

1.I like getting up very early in summer.The morning air is so good _______
A.to be breathed B.to breath
2._____the answers ready will be helpful to your interview
A.To have had B.Having had C.Have D.Having
3.He walked slower as he came to the block__he knew the building was.
A.which B.that.C.where D./
4.We wen through a period __ communications were very difficult in the rural areas.
5.Last month ,part of Southeast Asia was struck by floods,from__effects the people are still suffering.
A that Bwhose Cthose Dwhat
6.___today_____sure to be praised.
A The present comrades,are B Those present ,is C Those present,are