Great amounts of water            poured into the river from the factories two years ago.

was

were

has been

have been

考查时态和主谓一致。句意：两年前，工厂将大量废水排入河中。根据two years ago 可知，句子使用一般过去时。....amounts of修饰不可数名词作主语时，谓语动词用复数形式，即谓语动词与amounts保持数的一致。故选B项。

My mom suggest that we           eat out for a change this weekend.

should

might

could

would

考查虚拟语气。句意：我妈妈建议我们这周末出去吃饭换换口味。suggest作“建议”时，后面的宾语从句要用虚拟语气（should）+动词原形。故选A项。

Though it is a          job, he  still devotes much time and energy to it.

poor-paying

poorly-paying

poorly-paid

poor-paid

考查构词法。本题中考查了复合形容词的构词法，“使用副词+过去分词” 构成新的形容词，如“newly-discovered”最新发现的；本句中“poorly-paid报酬极少的”。句意：尽管这是一份报酬极少的工作，但他仍然花了很多时间和精力做它。故选C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。

Only then_______ how much damage had been caused.

she realized

she had realized

had she realized

did she realize

“only＋状语”位于句首，整个句子用不完全倒装．此外，由then可确定用过去时态．

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。

The old rules have to be          because they only applied to the circumstances that existed when they were made a hundred years ago.

developed

established

observed

revised

考查动词的辨析。句意：老的规则需要被修改因为它们只适合一百年制定时的状况。A.develop发展；培养；B.establish建立；C.observe观察；D.revise修改，由because they only applied to 可知它只适用于以前，需要修改。故选D项。

---Shall we have a talk with her tonight?

---There is no        talking to her. She will never listen.

good

value

point

worth

考查名词词义辨析。句意：---我们今晚要和她谈谈吗？ ---和她谈话没有意义，她不会听。A.good 好处  ； B.value 价值；C.point要点；D.worth价值。根据句意可知可知，此处是固定表达There  is no point (in) doing sth 做某事没有意义。故选C项。