题目
---I think it is a good way to study English by watching English movies.
---I agree.I find it _______ to improve my listening.（ ）
---I agree.I find it _______ to improve my listening.（ ）
A.
harmful
B.
thankful
C.
careful
D.
helpful
知识点：形容词词义辨析章节：未标注