根据所给的汉语,用英语完成句子。
与一些网友用电邮保持联系可能很危险。
It may be dangerous __________________________ some online friends by E-mail.
他之前从未梦想过成为一名著名的作家。
He a famous writer before.
我忍不住续借那本书,因为它是如此精彩。
I ___ the book, because it was so wonderful.
听音乐能在一天的劳苦工作之后帮助我们放松自己。
Listening to music can help us .
两丢失的小孩最后设法寻求到了帮助。
The two lost children ___ at last.
短暂休息之后,那人继续游过那条河。
After a short break, the man ___ the river.