英语翻译
问题描述：
英语翻译
用英语翻译下列句子
4.汤姆是个好的游泳选手，他每天花半小时游泳
5.我的网友经常给我发电子邮件
6.她爷爷每天锻炼半小时（两种写法）
7.你每天花多少时间弹钢琴
8.我经常花许多钱买书 （两种）
9.汤姆一天花两小时练习说汉语
答
It's time to get up.Wake him up,please.
It's time for us to do extra-curricular activities.
It's good for our eyes to do eye exercises.
Tom is a good swimming player.He spends half an hour (in) swimming every day.
My net freinds (e-friends) often send email to me.
Her grandfather does exercises for half an hour every day.=Her grandfather spends half an hour in doing exercises every day.
How much time do you spend in playing the piano?
I often spend much money on books.= It often costs me much money to buy books.
Tom spends two hours in practicing speaking Chinese every day.