句型46:practise / enjoy / finish doing A young man practised speaking English with Mr Green. 一个年青人和格林先生练习说英语。 Tom enjoys playing football very much. 汤姆很喜欢踢足球。 He finished reading the story book. 他看完了那本故事书。
句型47:It’s said that ... It’s said that one of the most dangerous sharks is the Great White Shark. 据说危险的鲨鱼之一是大白鲨。
句型48:Not all / everyone ... Not all sharks are alike. 并不是所有的鲨鱼都一样。 Not everyone likes dumplings. 并不是每个人都喜欢饺子。
句型49:be based on His argument is based on facts. 他的论断是以事实为根据的。
句型50:... so that ... Put the tree in the hole so that it is straight. 把树放入洞穴中,让它立直。