6．Stand over there________you will be able to see it better.
A．or B．while C．but D．and
解析：根据句意，站在那儿，你会看得更清楚。应该用and表示顺承，而不是or表转折。
答案：D
5．-What should I do with the murder?
-________the murderer.
A．Found out B．Finding out C．Find out D．To find out
解析：句意：“我该怎么处理这件谋杀案？”“找出杀人凶手。”考查祈使句，故答案是C。(其他三项都是非谓语动词，不可作谓语。)
答案：C
4．There’s no________to what you can do if you try.
A．number B．wonder C．limit D．matter
解析：句意：“如果你想去做，你可以做你想做的一切，没有什么限制。”考查limit(n.)“限制，界限”，故答案是C。
3．If it is quite________to you，I will visit you next Tuesday.
A．convenient B．fair C．easy D．comfortable
解析：句意为：如果你方便的话，我将在下周二拜访你。convenient后面常跟介词to，主语常常是it。fair公平的，easy简单的，comfortable舒服的，这三个选择均不合句意。
答案：A
2．You are not permitted________in public places.
A．spitting B．spit C．to spit D．spits
解析：permit sb.to do sth.变成被动语态，应该为sb.be permitted to do sth.，所以答案为C。
1．The young man failed ________ and lost interest in ________ of his research.
A．much times；much B．many times；many
C．many times；much D．much time；many
解析：time作“次数”讲时，为可数名词；research作“研究”讲时，为不可数名词，只能用修饰不可数名词的much来修饰，因此本题正确选项为C项。
10．Keep all your________(收据)for workrelated expenses.
答案：struction 2.limit 3.impression 4.destination 5.permit venient 7.displayed 8．explored 9.singles 10.receipts
9．I want to buy two secondclass________(单程票)to Shanghai.
8．These ideas will be________(研究)in more detail in Chapter 2.
7．His painting will be________(展示)to the public.