You may have the book; I ______ it any longer.[ ]

Earth is becoming more and more polluted. ______, people will move to Mars one day.

orry I ________ make it yesterday I ________,but I was really busy— That’s fine I know you are usually busy at thistime of year

hool have planted different kinds oftrees and flowers, _____ a beautiful and peacefulenvironment for students

_ you have got used to it , you’lllike it .