Question

– Why did they help Mrs Brown with her work?
– Because she was _____.

A．a(chǎn)n old friend of them	B．the friend of them
C．on the their friend	D．a(chǎn) good friend of theirs

Answer 1

D

試題分析：句意：他為什么幫助布朗夫人做她的工作？——因?yàn)樗�是他們的一個(gè)好朋友。Of在表示所有關(guān)系時(shí)，后面接名詞，them是人稱代詞。選項(xiàng)ABC結(jié)構(gòu)有誤，故選D，名詞性物主代詞做介詞賓語。
點(diǎn)評(píng)：of的基本含義是……的，關(guān)于。在表示所有關(guān)系時(shí)，后面接名詞，謂語被修飾詞后面，做定語。