例如：

We go there every day except Sunday.

He answered all the questions except for the last one.

For a year the dam remained complete but for the generators.

从意思上，逻辑上，都应当选but。

5.【答案】D

【解析】根据后面的over and over again,应选“repeat”

6.【答案】C

【解析】小孩想去动物园,便不停地发出尖叫声,故选“voice”。A shrill voice与scream的意思接近。volume(音量)；noise(噪音)；pitch(音调)均不合要求。

7.【答案】B

【解析】shut sb.up是指让某人住口，为了让孩子停止尖叫，只好带他去动物园。

8.【答案】A

【解析】根据后面主句的时态，此处只能用一般过去时。

9.【答案】C

【解析】a great many后直接跟可数名词的复数形式；a great / large amount of后跟不可数名词；只有a great /large number of后可以跟可数名词的复数形式。

例如:

I read a great many English books.

A large amount of money is spent on tobacco every year.

A great number of civilians were murdered in cold blood.

10.【答案】D

【解析】living后必须接介词in，意为“居住”；cultivating耕种；reclaiming开垦；只有exploring有探察的意思。