1 . During the First Word war, our 5 million people lost their lives. A. assumed B. approximated C. envisaged D. estimated 2. study hard before an examination. A. most the students B. most of the students C. most of students D. almost the students 3. The mother looked at her naughty child A. anger B. angry C. angrily D. angered 4. Silver is gold A. valuable less than B. more valuable than C. less valuable than D. valuable more than