SECTION A

Directions: Beneath each of the following sentences there are 4 choices marked A, B, C and D. Choose the one answer that best completes the sentence.

21. ________ UN official is said to visit our province next month to investigate ________ problem of housing and education.

       A. The; the                  B. The; a                     C. An; the                    D. A; the

22. ________ over whenever we want to make a decision, many people believe, and we will have less chance of making mistakes.

       A. To think                          B. Think                C. Thinking                  D. Thought