The Water World Recreation Center has many attractions, ______ from simple swimming pools to exciting water thrill rides.

Some people fear that ________ air pollution may bringabout changes in _______ weather around the world

Do you love teaching, Miss He?— I fell in love with teaching in 2000I ________ for twelve years by this summer

_______ is it from your home to school—It’s three miles.

_______ nice day! Why not go hiking?–Great idea. Let’s go.