Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions from 6 to 10.

UNICEF stands for United Nations International Children’s Emergency Fund. It was created by the United Nations General Assembly on December 11, 1946, to provide emergency food and health care to children in countries that have been devastated by World War II.

In 1954, UNICEF became a permanent part of the United Nations System. UNICEF relies on contributions from governments and private donors. Governments contribute two thirds of the organization’s resources; private groups and some 6 million individuals contribute the rest through the National Committees. Most of UNICEF’s work is in the field, with staff in over 190 countries and territories. More than 200 country officers carry out UNICEF’s mission through a program developed with host governments. Seven regional offices provide technical assistance to country offices as needed.

UNICEF’s programs emphasize developing community-level services to promote the health and well-being of children. UNICEF was awarded the Nobel Peace Prize in 1965 and the Prince of Asturias Award of Concord in 2006.

(Adapted from Wikipedia)

You ring the bell because I have a key. A. must B. mayn’t C. needn’t D. mustn’t