North Korea has pledged to finish disabling its biggest nuclear facility within a month______fuel oil and other economic aid.

A．in exchange for

B．with regard to

C．by means of

D．in the form. of

【C20】

A．necessary

B．easy

C．important

D．hard

What is the best title for the passage

A．A Robber Caught.

B．A Heroic Woman.

C．A Reward of $ 60 000.

D．An Attempted Robbery.

People were not allowed to enter the reading room because it______ then.

A．had been painted

B．was being painted

C．was painting

D．painted

—When do we need to pay the balance —______September

A．In

B．By

C．During

D．Within

【C14】

A．that

B．which

C．whose

D．such