英语翻译 1.Mr.Black，together with his friends，is looking forward to going to China.2.They spent a lot of time in making prepartion.3.Smoking has an ill effect on human being.4.This problem is too difficult for me to work out.
翻译英文：他花了很多时间读书。 He spent a lot of time in reading.
英语翻译 1.When someone is in danger，we should help them2.You shoudn't spend much watching TV3.Don't waste time，you must finish these exercise before sleeping4.Be carefully，you shoudn't ride fast on the road5.It's necessary to play with your dog everyday，you must play with it at least an hour everyday
