题目内容
Never form the habit of smoking because it ________ human beings.
[ ]
A.
is harmful with
B.
does harm to
C.
is harm for
D.
does harmful to
答案:B
解析:
解析:
harm是名词或动词,do harm to对……有害;harmful是形容词;be harmful to对……有害。 |
练习册系列答案
相关题目