Our research has focused on a drug which is so powerful 　　　　able to change brain chemistry.

A. as to be    B. as not to be

C. as being    D. as not being

I wish you would 　　　　that old jacket. Its full of holes.

A. get rid of    B. get along with

C. get away with    D. get away from

In the back of our classroom stand some bookshelves on which are various magazines and reference books, making reading materials more 　　　　to the students.

A. systematic    B. effective

C. practical    D. accessible

The construction project 　　　　has been ordered to stop because it caused a lot of noise affecting the life of many citizens.

A. to be carried out    B. carried out

C. being carried out    D. carrying out

Some 　　　　of the flu, such as headache and aching muscles are often caused by poisonous products.

A. systems    B. symptoms

C. customs    D. bottoms

—What an exciting project!

—It is believed that the construction of the new highway will 　　　　the growth of the suburbs.

A. be superior to    B. contribute to

C. pay attention to    D. belong to

Compared with cats, dogs are even more 　　　　to, and more easily interrupted by, smell and vibration.

A. abnormal    B. addicted

C. available    D. sensitive

Suffering from a mysterious disease for long, the patient was advised to walk along the seaside in the sun to 　　　　his health.

A. take up    B. pick up

C. bring up    D. make up

1.We must rescue the workers in danger immediately.

We must rescue the workers in danger ________.

2.There are many organizations which could benefit from your efforts.

Your efforts could be ____________many organizations.

3.She was not able to go back to work until her child grew up.

her child grew up ____she able to go back to work.

4.Both of the sisters are not here.

_________of the sisters are here.

5.The government is making every effort to ensure that all people have access to the new medical care.

The government is making every effort to ensure that the new medical care ____________all people.

contribute to be absorbed in benefit from answer for wind up

keep in touch with keep pace with be opposed to

1.We have been ________each other by e-mail since he left China.

2.At first he ________the scheme, but we managed to argue him round.

3.Tom has formed a habit of ________his watch before he goes to bed every day.

4.The bus driver should ________the safety of the passengers.

5.Many factors have ________the development of the telecommunications in the past 30 years.

6.Millions of farmers have become rich, all ________the Partys new policy.

7.Though trapped at home all day, he makes use of the Internet ________the changes of the outside world.

8.He ________so ________his experiment that he hasnt had a bite since morning.