_______protect our environment,we plant trees and ________them.
问题描述：
_______protect our environment,we plant trees and ________them.
A、To help;take care
B、Helping;take care of
C、To help;look after
D、Helping;look after
答
只可以选择C,take care 是保重的意思,不能直接接宾语,如果接的话要加介词of 翻译为照顾,照料的意思,look after 和take care of 同意,但本句是目的,所以要用介词to !