549. I think you have the Wrong number． 我想你打错号码了。

548. I really need to lose some weight． 我真的需要减肥了。

547. I expect to be there this evening． 我打算今天晚上到那儿去。

546. His boss might get angry with him． 他的老板也许会生他的气。

545. Here we are．Row M, seats l and 3． 哦，到了。M排，l号和3号。

544. Her handbag goes with her clothes. 她的手袋和她的衣服很搭配。

543. He suddenly appeared in the party． 他突然在晚会上出现了。

542. He struck his attacker on the ear． 他打了那个攻击者一耳光。

541. He invited me to dinner yesterday． 他昨天请我吃晚饭了。

540. He drives more carefully than you． 他开车比你小心。