〔原文〕I met him in the street yesterday.
〔修正〕It was in the street that I met him yesterday.
It was yesterday that I met him in the street.
He sat in a chair with a newspaper in the hand.
Satisfied with the result，he decided to go on with a new experiment.
Only in this way can we achieve our goal.
Never before have I seen such a wonderful film.
Not only should we study in the college, but also learn how to be a decent（正派的，得体的）person.
If so，victory will be ours.
You can make some changes wherever necessary.
〔原文〕He stopped us half an hour ago. He made us catch the next offender.
〔修正〕He stopped us half an hour ago and made us catch the next offender.
〔原文〕We had a short rest. Then we began to play happily. We sang and danced. Some told stories. Some played chess.
〔修正〕After a short rest， we had great fun singing and dancing， telling jokes and playing chess.
①表递进关系：then(然后)， besides(还有)， furthermore(而且)， moreover(此外)等。
②表转折关系：however(然而)， but(但是)， on the contrary (相反)， after all(毕竟)等。
③表总结关系：finally(最后)， at last(最后)， in brief(总之)， in conclusion(最后)等。
④表示强调：indeed(确实)， certainly(一定)， surely(确定)， above all(尤其)等。
⑤表示对比：in the same way(同样地)， just as(正如)， on the one hand…on the other hand(一方面……另一方面……)等。
相似的比较： similarly, in the same manner
相反的比较： on the other hand, conversely（相反地）, whereas（然而）, while（然而）, instead（相反）, nevertheless（然而）, in contrast（相反）, on the contrary（相反）, compared with…（和......相比之下）
〔原文〕A new railway is being built in my hometown.
〔修正〕A new railway is under construction in my hometown.
〔原文〕I like reading while my brother likes watching television.
〔修正〕I like reading while my brother enjoys watching television.
I like reading while watching television appeals to my brother.