It's not necessary for you to be about others' business． [ ] A．concern B．concern
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It's not necessary for you to be ________ about others' business．
[]A．concern
B．concern yourself
C．concerning
D．concerned
试题答案
答案：D
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。 |