Jerry has promised to keep the secret, so he won't tell anyone even though .
A. asking to B. to be asked
C. to ask D. asked to
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
