621. We can't go out because of the rain． 我們不能出去因為下雨了。
622. We should make good use of our time． 我們應該充分利用我們的時間。
623. We should save unnecessary expenses.我們應節省不必要的開支。
624. You may have heard of Birth Control.你們也許聽說過控制人口出生的措施。
625. After a pause he continued his story.停頓一下之後他繼續說他的。
626. As you know, I am a very kind person. 你知道，我是個很和善的人。
627. He dare not tell us his evil conduct.他不敢告訴我們他的惡行。
628. I can express myself in good English. 我可以用很好的英語來表達自己的觀點。
629. I'll furnish my house with furniture. 我要為我的房子置辦傢俱。
630. It seemed as if there was no way out. 看情形似乎沒有出路了。
631. It's the hottest day I've had so far. 這是迄今為止我經歷的最熱的一天。
632. Mr. Smith is in charge of this class. 史密斯老師負責該班。
633. Mr. Smith taught English at a school. 史密斯先生在一所學校教英語。
634. None of us is afraid of difficulties.我們當中沒有一個人害怕困難。
635. Our school is in the east of Beijing. 我們學校在北京的東部。
636. She really wishes her clock had rung. 她真希望今天早上她的鬧鐘響了。
637. She teaches foreign students Chinese. 她教外國學生漢語。
638. The question will be settled tonight. 這個問題將在今晚解決。
639. The weight is too much for my height. 相對於我的身高來說，體重太重了!
640. There are mice in Mrs. Lee's kitchen! 李太太的廚房裏有老鼠!
