单项选择题
Paul: Can I help with your luggage? Lisa:（）
A.No, many thanks. I can do B.No, thanks. I can manage it C.No, not necessary. Thank you anyway D.No, you needn't. Thank you anyway
单项选择题 The convenience of modern freeways, railways and airplanes makes travel in America as easy as （）
单项选择题 Henry Ford was himself a（）mechanic and could build a car with his own hands.
单项选择题 Make（）use of your time in class.
