问题
选择题
If there were no automatic washing machines, people would have to wash their clothes ______ hand or ______ hand-operated machines.
A．by; by
B．with; with
C．on; with
D．by; with
答案
答案：D
题目分析：考察介词搭配。固定搭配by hand用手；手工制作；with machine用机器。句意：如果没有自动化洗衣机，人们就不得不用手或者用手操作的机器来洗衣服。故D正确。