difficult to find a satisfying jobtoday．This job isgreat ________ salary, but it has some disadvantages．

Mum, I’ve finished my work.—Good, and ________ you choose to play on your PSP or listen to music on your iPod, you mustn’t disturb me.

Li Lei ______ English when he was in Canada. Now he can speak it freely.

．— _________ city!— Yes．Tourists from all over the world come to visit it every year.

birthday,Mary!So youhave___twenty-one already!