1. The man _ often goes to work on foot. A. calls Robert B. called Robert C. call Robert D. Robert call2. _ Mr. Li is in his office now. Go and find him. A. maybe B. Maybe C. May be D. May3. We are sure that our football players will do_ best.A. their B. they C. them D. themselves4. _ tall the girl is!A. How B. How a C. What D. What a5. We usually start our class _ a song.