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________? (擔(dān)憂的).根據(jù)圖片選擇合適的句子。15. My cap is on the ________. ( )A. teacher desk B. teachers desk C. teacher39。A: _____19_____B: My bag is missing.A: What is it like?B: _____20_____A: _____21_____B: Thank you.A: Look, there is a bag on the ground. Is it yours?B: _____22_____A. Why do you look so worried?B. It39。I have a new friend. His name is Jack. He is not very tall but quite fat. He has