Johnny's favorite means of traveling was__________. A: going around on foot B: taking a train C: taking a bus D: hiding on a long distance truck

根据课文内容填空（不需要标点，小写即可）1、Who was Jack? Jack was__________.(3个单词）2. When did Jack hit upon the idea of decorating the cab? Jack hit on the idea when_______________________________________.（12个单词）3. When did Jack begin to try out his idea? He tried out his idea ________________________________________.（8个单词）4. When did Jack put up reproductions of great paintings? He did so when ______________________________________________.（10个单词）5. What do people appreciate, according to Jack? According to Jack, people appreciate__________.(2个单词）6. What happened between the author and Jack? They became________________.(2个单词）