It’s necessary us students English aloud every morning.A.of; to readB.for; readi
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It’s necessary ________ us students _______ English aloud every morning.
A.of; to read
B.for; reading
C.of; reading
D.for; to read
试题答案
D
it为形式主语，代替了不定式短语；necessary与us之间为外在联系，应用介词for。