单项选择题
A．There are a lot of boxes in the way. B．The boxes might be too heavy for her to lift. C．He is tired after lifting the boxes. D．He eann0t lift the heavy boxes.
A、America B、China C、France D、Britain
A．Helped some friends build a house. B．Sold newspapers on the campus. C．Sold advertising space for a paper. D．Asked businessmen to buy school newspapers.