Research suggests that fast food and soft drink directly _________ to childhood obesity.

A．appear

B．contribute

C．adjust

D．respond

Before driving into the city, you are required to get your car_________.

A．washed

B．wash

C．washing

D．to wash

As nobody here knows what is wrong with the machine, we must send for an engineer to _______ the problem.

A．handle

B．raise

C．face

D．present

What _________ will it make whether Mr. Black tells us the story early or not?

A．sense

B．difference

C．mistake

D．use

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加，删除或修改。
增加；在缺词处加一个漏字符号（∧），并在其下面写出该加的词
删除；把多余的词用斜线（\）划掉
修改；在错的词下划一横线， 并在该词下面写出修改后的词
注意； 1.每处错误及及其修改均仅限一词
2.只允许修改10处，多者（从第11处起）不计分
It was at five o’ clock yesterday afternoon which I was going home by bus. The bus was full of passenger, all of who kept silent. A mother with her little son were sitting nearby. All of a sudden, the son cried loudly. The mother tried to do what she could make him stop crying. However, the son goes on crying. After what seemed a long time, a man seating next to the mother said angry, “ I can’t stand it anymore. Why don’t you give him what he wants?” The mother answered quietly, “I would if I could. But what she wants is your cap.” Hearing of this, all the passengers burst into laughter.

—How about your travel? 
—You can hardly imagine what difficulty we have had ___________ the vast desert.

A．exploring

B．explored

C．to explore

D．explore

The report ________ figures from six different cities in Europe ________ six parts.

A．basing on；make up	B．based on；is made up of
C．according to；consist of	D．according to；make of

Mary________ her sister in appearance but not in character.

A．resembles

B． looks

C．seems

D． appears

There were lots of people standing watching, yet no one of them ________. 

A．offered to help

B．offered helping

C．was offered to help

D．was offering help

These kinds of shoes ________ well. 

A．were not sold

B．won't be sold

C．are not sold

D．don't sell