题目内容
It's not necessary for you to be ________ about others' business.
[ ]
A.concern
B.concern yourself
C.concerning
D.concerned
答案:D
解析:
解析:
|
“be concerned about…”为固定搭配,表示“关心……”。B项有较大干扰性,但此空前有be动词,若无be动词,则B项正确。 |
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