Question

He speaks English well indeed, but of course not ________ as a native speaker.

A．a(chǎn)s fluent

B．more fluent

C．so fluently

D．much fluently

Answer 1

C

not so\as ---as—“不如”；副詞修飾動詞。“他的英語確實(shí)很好，當(dāng)然不如母語為英語的人說得流利。”所以答案為C。