Australia is in the south of the earth so the seasons there are the opposite of .

Lin saw __________ UFO last month. It’s strange.

You have to leave now _________ you can catch the early bus．

Fish ________ without （没有）water .

Sandy, _______ apple on the table is for you. Have it before you go out.—Thanks, Mum. _____ apple a day keeps the doctor away.