There are thirty sentences in this section. Beneath each sentence there are four words or phrases marked A, B, C and D. Choose one word or phrase that best completes the sentence.
Mark your answers on your answer sheet.
I assure you that the matter ________ as quickly as possible. Have a little patience.

A. climate B. lay of the land itself C. local vegetation D. kind of soil and rock

A. to illustrate the functional differences of real telephones and Internet telephones.
B. to demonstrate the working of mobile phones.
C. to show the impact of Internet phone calls on real life.
D. to teach how to make an on-line phone call.