482. He found my lecture interesting． 他觉得我讲课有趣。

481. He covered himself with a quilt． 他给自己盖上一条被。

480. Draw your chair up to the table． 把你的椅子拉到桌子旁边来。

479. You should look at it yourself． 你应该亲自看看它。

478. You look as if you didn"t care． 你看上去好像满不在乎。

477. Who ever comes will be welcomed． 来的人我们都欢迎。

476. What ever I said，he"d disagree． 不论我说什么他都不同意。

475. We are divided in our opinions． 我们意见分歧。

474. Walt invented the steam engine． 瓦特发明了蒸汽机。

473. Think carefully before you act． 三思而后行。