1. The teacher _____ him to learn English well, but he wouldn’t listen.
A. persuaded B. tried to persuade C. preferred D. expected
2. When we visited our headmaster again ten years later, he had changed so much that we could hardly ________ him.
A. remember B. know C. believe D. recognize
3. It is ________ I haven’t been outdoors for long ________ I’ve grown crazy about nature.
A. because; that B. because; so C. why; because D. because; why
