The most important promises we must keep are          we make to ourselves.

ones

those

these

them

考查代词。句意：我们必须遵守的最重要的承诺就是我们对自己做出的承诺。A. ones泛指上文提到的可数名词复数；B. those特指上文提到的可数名词复数；C. these这些；D.them他们。分析句子可知，为we must 是定语从句，修饰The most important promises，是句子的主语；be动词后缺少表演，we make to ourselves是定语从句，修饰空格处。根据句意，此处指上文提到的promises,由定语从句修饰表示特指，故用 those。故选B项。

If you don't understand something, you may resrarch, study, and talk to other people          you figure it out.

because

though

until

since

考查连词。句意：如果遇到不懂的东西，你可以搜索、研究，和别人交流直到弄明白。A. 因为； B. 尽管；C.until直到；D.since自从，因为。根据句意可知，until符合语境。故选C项。

Her         for writing was a desire for women to get  the right to higher education.

motivation

qualification

talent

technique

考查名词词义辨析。句意：她写作的动力源自为女性获得更高教育的权利。motivation动力；动机；qualification资格；talent才能，天赋；technique技巧。故a desire for women to get  the right to higher educatio是她写作的动力。故选A项。

Last night I had just gone to bed          an odd delivery man knocked on the window of my house.

as

before

when

while

考查状语从句引导词。句意：昨天晚上，我刚刚上床睡觉突然觉得一个奇怪的送货员敲我房子的窗户。固定搭配had  done sth when表示某人刚做完某事突然.....故选C项。

Since this accident has nothing to do with him, he seems no way             .

to be blamed

to blame

blame for

to blame for

考查固定用法。句意：既然这次事故与他无关，他似乎也就无可指责了。短语sb to be blame“某人该受责备，某人应该负责”，为固定搭配，没有被动语态。故选B项。

The small car can't         a large family inside.

suit

press

collect

fit

考查动词词义辨析。句意：这辆小汽车装不下一大家子人。A.suit 相配，合身；B.press压；C.collect 收集；D. fit合适；容纳。suit表示尺寸和大小方面适合；此处表示小汽车容纳不下一大家子人。故选D项。