這些題中的錯(cuò)誤主要是漢式思維導(dǎo)致的錯(cuò)誤以及詞語(yǔ)搭配錯(cuò)誤.

依次改正為:
Why are you here ? 或 What are you here for ?
why=what...for ; for what 純粹是漢式表達(dá).
句意: 你為什么在這兒?
1. I amin a bit of hurry .
a bit+形容詞; a bit of +名詞
句意:我有點(diǎn)匆忙/我有點(diǎn)著急.

2. I'll take/ask her out on a date this Saturday.
【take/ask sb. out on a date】帶某人出去約會(huì)/邀請(qǐng)某人出來(lái)約會(huì).
句意:這周星期六,我要帶她出去約會(huì)/邀請(qǐng)她出來(lái)約會(huì).

3.If someday I am good at English, I will definitely be admitted to it.
【one day→someday】someday 將來(lái)有一天; one day （過(guò)去或?qū)?lái)的）某一天
【in→at】 be good at 擅長(zhǎng)/...學(xué)得好
be admitted to 被...錄取; 被允許進(jìn)入
句意: 如果將來(lái)有一天我的英語(yǔ)學(xué)得好, 我絕對(duì)會(huì)被這所學(xué)校錄取的.

4.How do you learnEnglish ? 你怎樣學(xué)英語(yǔ)嗎?(這是最簡(jiǎn)潔的改法)
或: Do you know how to learn English ? 【去掉the】
句意: 你知道怎樣學(xué)英語(yǔ)嗎?
How do you think to do sth. ? 純粹是漢式表達(dá). 是錯(cuò)的.
因?yàn)橐话悴荒苷f(shuō): think (how) to do sth.

也可改成: How/What do you think of learning English ?
句意: 你對(duì)英語(yǔ)學(xué)習(xí)有什么看法?(如喜不喜歡學(xué), 學(xué)起來(lái)有不有趣,以及怎樣學(xué)等)
5.Are you investing【in the】stock market ?
【on→in】invest in "投資于...", 是固定搭配.
【market是可數(shù)名詞單數(shù),其前加上the表示特指】
句意: 你正在投資股票市場(chǎng)嗎?

6.It is difficult【for me】to learn English .
句意:我學(xué)英語(yǔ)很困難./對(duì)我來(lái)說(shuō),英語(yǔ)學(xué)起來(lái)很難.

7.最簡(jiǎn)單的改法: We have a full day off or half a day off on Sunday.
句意:星期天,我們休全天或半天假.
或改成: We are given the option to work either full or half day on Sunday.
句意:星期天,我們可以選擇全天或半天工作.

8. In fact, Billy really has what it takes to be a VIP.
句意: 實(shí)際上,比利真的具有成為貴賓所需的條件.
原句屬漢式思維.

9.China is in rainy season now.
句意: 中國(guó)現(xiàn)在進(jìn)入了雨季.
原句屬漢式表達(dá).