67. Which of the following best describes the boy? (A). Brave and polite. (B). Kind and smart (C). Honest and thankful. (D). Shy and nervous.

70. By comparing tomatoes raised in Britain and in Ghana, the author tries to explain that ______ (A). British tomatoes are healthier than Ghanaian ones (B). Ghanaian tomatoes taste better than British ones (C). cutting down food miles may not necessarily save fuel (D). protecting the environment may cost a lot of money