You have already tried your best, so you _____worry too much about the exams.
—Hurry up.It’s almost time for school. —Don’t worry.We are sure to be at school________.
Recycling is good,so don't________bottles or newspapers.
—It’s hot today,isn’t it? —Yes,it is.Why not________your jacket?
—Please________the tap if you don’t use water. —OK.It’s a way of saving energy.
Though he is________at home,he doesn’t feel________for he has many things to do. A.alone;lonely B.lonely;alone C.alone;alone