Many websites have been _______ to help people study foreign languages.
A．set up B．set offC．set downD．set out
A

試題分析：考查詞組辨析：A. set up建立，B. set off出發(fā)，引發(fā)，引爆，C. set down記下，D. set out開始，動身，句意：我的新網(wǎng)址已經(jīng)建立幫助人們學習外語。選A。
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