单项选择题
A．are paid B．paid C．being paid D．to be paid
Large sums of money（）each year in painting the steelwor...
单项选择题Large sums of money（）each year in painting the steelwork of bridges, ships, and other exposed structures.
A．have spent B．have to be spent C．have to spend D．have to be spending
The food shows no sign of（）. A．touched B．being touched ...
单项选择题The food shows no sign of（）.
A．touched B．being touched C．having been touched D．having touched
When I returned home from a long journey, I found my ho...
单项选择题When I returned home from a long journey, I found my house（）.
A．had been broken in B．was broken into C．had broken in D．had broken into
