_______ by keeping down costs will Power Data hold its advantage over other companies.

Only  

Just 

 Still  

Yet

考查倒装句式。句意：只有通过降低成本，Power Data才能比其它公司更有优势。A只有；B仅仅；C仍然；D然而。Only加副词、介词短语或时间状语，放句首时，用部分倒装。故选A。

Which of the following does not contain the sound [ae]?

grade

glad

bad

land

考查语音。句意：下面哪个不包含这个发音[ae]? grade的发音是[greId]; glad的发音是[glaed]; bad的发音是[baed]; land的发音是[laend]。故选A项。

never I have read

never have I read

ever I have read

ever have I read

It is the ability to do the job ______ matters not where you come or what you are.

one

that

what

if

考查强调句。句意：是做这项工作的能力更重要而不是你从哪里来和你是谁。此句是强调句，基本结构是It is/was+被强调部分+that，此处强调the ability to do the job，故选B.

---I'm sorry,but it's my seat.

---           I didn't know it's yours.

What if

I beg your pardon

That's all right

What for

考查交际用语。句意：---对不起，这是我的座位。---请原谅。我不知道这是你的。A. What if如果.....将会怎么样；B. I beg your pardon. 对不起，请原谅；C.That's all right没关系；D. What for为什么。根据"Idon't know it's yours."可知坐了别人的座位，请求别人原谅。故选B项。

---I think you are different now.

---Of course，times have changed and________.

so have I

so I have

neither have I

neither I have

肯定的陈述句后，跟so+主语+谓语，表示强调：确实…，其主语与前陈述句的主语相同；肯定的陈述句后，跟so+谓语+主语，表示…也…，其主语与前陈述句的主语不同．根据times have changed，可知对另一个"我"说时代也已经变了，用倒装句，本句是现在完成时，含有助动词have，主语为I，在这里还用助动词have完成，故选A．

---What language is that guy speaking？I can hardly catch a single word!

---_________He’s from India,so I guess it is Hindi.

Neither I can

Neither can I

So I can

So can I

so can I 表示 我也是这样，前一个分句是肯定句的时候用，前后主语不指同一个人； neither can I 我也不…，前一个分句是否定句的时候用，so I can主要用于加强语气，其意为"的确如此、确实如此"前后句的主语指的是同一个人或物．根据"I can hardly catch a single word!"可知回答为否定语气。

Mary never does any reading in the evening, ______.

so does John 

John does too

John does not to

neither does John

主句用never，后面的倒装句相应的用nor或者neither，用完全倒装形式表示后者与前者情况相似。

Based on the agreement,all payments          be made by the end of the month.

may

can

shall

will

考查情态动词。句意：根据协议，所有款项应在月底付清。shall用于法律，条款中表示必须要做的事。故选C项。