1 . He was told that it would be at least three more months _____ he could recover and return to work.

A．when	B．since
C．before	D．that

2 . He suggested that the problems ______ paid special attention to.

A．referred to being

B．refer to being

C．referred to be

D．referring to be

3 . The house rent is expensive. I’ve got about half the space I had at home and I’m paying_____ here.

A．as three times much	B．as much three times
C．much as three times	D．three times as much

4 . The newcomer went to the library the other day and searched for            he could find about Mark Twain.

A．wherever

B．however

C．whatever

D．whichever

5 . Mrs. White found her husband surrounded by letters and papers and ______very worried.

A．look

B．looks

C．looking

D．to look

6 . Alexander tried to get his work ________in the medical circles.

A．to recognize	B．recognizing
C．recognized	D．recognize

7 . 短文改错
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2处，涉及一个单词的增加、删除或修改。
增加:此行缺一个词在缺词处加一个漏字符号（∧），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，在该词下面写出改正后的词。
注意: 1.每处错误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。
Exercise can have a surprised number of benefits. It is important way to keep fit. Not only can it help you achieve beneficial weight loss, and every time you exercise, it helps to reduce the risk of disease more efficiently. By exercising regular, you look better and feel more confident, which have a positive effect on both physical and mental well-being. While you exercise, especially in some challenging sports, you often work as a member of a team. In this way, it also teaches us how to work with others.
A healthy, fit brain means you can answer questions more quickly, think more clearly and developed a better memory. Have a healthy brain is useful for no matter what point you are at in your life. For these reasons, we students should take exercises.
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8 . When _______ different cultures, we often pay attention only to the differences without noticing the many similarities.

A．compared	B．being compared
C．comparing	D．having compared

9 . Rather than ___ on a crowded bus, he always prefers _____ a bicycle.

A．ride; to ride

B．riding; ride

C．ride; ride

D．to ride; riding

10 . --- What caused the party to be put off?   --- ______ the invitations.

A．Tom delayed sending	B．Tom’s delaying sending
C．Tom delaying to send	D．Tom delayed to send