C．worthy of D．worthwhile

答案与解析：C　worthy of意思是"配得上"，相当于who is worthy of，在句中作someone的定语。

4．He was badly injured in the car accident, but he struggled ________ his feet and walked to the nearby village to ask for help.

A．to B．on

C．at D．for

答案与解析：A　struggle to one's feet指"努力站起来"。

5．There'll be a sports meet in our school next month. How many of you are going to________？

A．take up B．take part

C．join D．take part in

答案与解析：B　take part in的意思是指"参加(活动、体育运动等)"，选项D多了介词，因为句子中没有宾语。

6．The police told the public to keep an eye________ the suspected person.

A．on B．for

C．about D．at

答案与解析：A　keep an eye on是一个固定搭配，意思是"仔细留意某人(某事)"。句子的意思是"警察告知公众要留心那个可疑的人"。

7．-What does your pet feed________？

-I feed it________ fish.

A．on; to B．to; with

C．to; on D．on; with

答案与解析：D　feed on的意思是"以......为食"；feed...with...的意思是"给......提供；给......供应"；feed...on...的意思是"用......来喂"。

8．The new law will come into________ on the day when it is passed.

A．effect B．use

C．being D．existence

答案与解析：A　本题考查短语辨析。句子的意思是"新的法律将在它获得通过的那一天开始生效"。come into effect"开始生效"；come into use"开始使用"；come into being"成立"；come into existence"开始存在"。

9．Before the war broke out, many people________ in safe places possessions they couldn't take with them.

A．threw away B．put away

C．gave away D．carried away

答案与解析：B　此题考查动词短语。throw away"扔掉，丢弃"；put away"放好，储存......备用"；give away"赠送，分发，泄露(秘密等)"；carry away"运走"。这句话的意思是：战争爆发之前，很多人把不能随身带走的财物放到了安全的地方，故选put away。

10．The professor could hardly find sufficient grounds________his arguments in favour of the new theory.

A．on which to base

B．which to base on

C．to base on

D．to be based on

答案与解析：A　题意为"教授几乎找不到支持这一新理论的充分理由"。根据题意，题