I am pumping up this tyre.改为复数句

I am pumping up this tyre.改为复数句 am i up for this?中文翻译 tyre wheel tube的区别在哪里?Pump up this tyre Sandy.It is very flat.What are you doing ,Sandy?I'm pumping up this tyre.Whew!I'm tired.It's still alive.Let's take the tyre off the wheel.Put the tube in this basin,Sandy.Look at those bubbles.Ther i am up now I often come up with this when I am unable to achieve something什么意思 I am sorry,this time I really to give up you.神马意思啊! what the meaning ofI'm not sure I am up for this I am so in love with you,But you have to give up on this. I am fed up with 英译汉I'am fed up i am up on him this is the place where I am growing up这句话能否改成：this is the place where I grew up. 英语翻译变否定：1I'm pumping up this tyre2he's playing hopscotch with the girls3they're eating standing beside a lake4the children are enjoying billy's birthday parte变一般疑问;1NOW THE DOG IS HOLDING THE STICK BETWEEN ITS TEETH2she's co I am fed up with it!I can't stand this any more!这句话什么意思 This is what I am I am humbled in this I am unhappy this week I give up this game