问题
选择题
These tress ________ and also ____________.
A．need trimming(修剪); need to water
B．need to trim; need watering
C．need trimming; need watering
D．need be trimmed; need be watered
答案
答案：C
考查need的用法，need doing="need" to be done“需要被…”,四个选项只有C符合，句意是：这些树需要修剪也需要浇水。