These tress ________ and also __________
问题:
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
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