15．________ it comes to the increasing use of motor vehicles in the cities，some people think it should be limited．（　�。�

A．

Because

B．

Once

C．

When

D．

While

14．Influenza H1N1is an illness that can result in death unless left       in time．（　�。�

A．

treat

B．

to treat

C．

treating

D．

treated

13．He rrarely（極少） catches a cold as he takes regular exercise．

12．The exhibition he had been looking forward to _________ was _________ until next Sunday．（　�。�

	A．	visit； put off		B．	visiting； put off
	C．	visit； put on		D．	visiting； put on

11．假定英語課上老師要求同桌之間交換修改作文，請(qǐng)你修改你同桌寫的以下作文．文中共有5處語言錯(cuò)誤，每句中最多有兩處．錯(cuò)誤涉及一個(gè)單詞的增加、刪除或修改．增加：在缺詞處加一個(gè)漏詞符號(hào)（∧），并在其下面寫出該加的詞．刪除：把多余的詞用斜線（﹨）劃掉．修改：在錯(cuò)的詞下劃一橫線，并在該詞下面寫出修改后的詞．注意：1．每處錯(cuò)誤及修改均僅限一詞；2．只允許修改10處，多者（從第11處起）不計(jì)分．
Dear May，
     I have story to tell you．Last Friday，I went home by bus．I see an old woman with a basket full of egg when I got on the bus．I learned from his conversation with the conductor that she didn't have enough money for a ticket．I quick gave one yuan to the conductor to pay for an old woman．The woman thanked me a lot，but even wanted to giving me some eggs．I refused her because of I thought it was my pleasure help someone in trouble．Don't you think so？

10．I'll never forget the day ______ I worked with you in the Beijing Olympic Games．（　�。�

A．

where

B．

when

C．

that

D．

in that

9．Do you know the old man  ________ son is standing with there？（　�。�

A．

which

B．

who

C．

whose

D．

whom

8．character（　　）

A．

machine

B．

coach

C．

choose

D．

technology

7．explode（　�。�

A．

exactly

B．

exercise

C．

explore

D．

example

6．motto（　　）

A．

respond

B．

homeland

C．

host

D．

honey