Mark the letter A, B, C or D on your answer sheet to indicate the best answer to each off the following questions: Câu 1. In __ to protecting the environment, this invention also benefits farmers. A. support B. use C. help D. addition Câu 2. The young should be aware __ their duty to make a better community. A. of B. about C. to D. with Câu 3. I looked the word up in the dictionary to refresh my ___ of its exact meaning. A. thoughts B. brain C. memory D. mind. Câu 4. It is this __ dance that attracts lots of foreign tourists coming here. A. wonderful traditional Vietnamese B. wonderful Vietnamese traditional C. traditional wonderful Vietnamese D. traditional Vietnamese wonderful Câu 5. A digital camera is more __ than a film one since you don’t have to buy rolls of films. A. economically B. economy C. economical D. economist