题目内容
21. English plays important role in modern society.
A. a B. an C. the D. /
21. B
21. B play a/an. . . role in意为”在……中扮演……角色",为固定搭配,可先排除C、D两项;又important以元音音素开头,故 选an
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题目内容
21. English plays important role in modern society.
A. a B. an C. the D. /
21. B play a/an. . . role in意为”在……中扮演……角色",为固定搭配,可先排除C、D两项;又important以元音音素开头,故 选an