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(2013 ·湖北武漢武昌高三聯(lián)考)In order to be a strong partner with the Asia­Pacific region, American President Obama thinks it is ________ to have a strong relationship with China.

—What do you think of the project put forward by the Blacks?
—Considering its real ________，it will be well worth putting into practice，I suppose.

It is no ________ arguing with Bill because he will never change his mind.(全國高考)

I'm afraid he's more of a talker than a doer，which is ________ he never finishes anything.(2011·山東)

(2012·遼寧)The newcomer went to the library the other day and searched for ________ he could find about Mark Twain.

(2013·江西，30)________ one of you breaks the window will have to pay for it.

(2013·新課標(biāo)Ⅰ，32)There's no way of knowing why one man makes an important discovery________another man，also intelligent，fails.

(2013·新課標(biāo)Ⅱ，11)A serious study of physics is impossible________some knowledge of mathematics.

(2013·北京，26)I have an appointment ________ Dr.Smith, but I need to change it.

The traffic rule says young children under the age of four and________ less than 40 pounds must be in a child safety seat