【C9】A．distinguishB．recognizeC．protectD．print

The underlined phrase "suffer from" most probably means ______.A．experienceB．recognizeC．fe

【C9】A．maintainB．sustainC．protectD．preserve

A．distinguishB．preventC．judgeD．differ

【C5】A．guessB．perceiveC．protectD．touch

【C4】A．distinguishB．acknowledgeC．identifyD．convey

I remember seeing him years ago, but I cannot______where it was.A．remindB．recognizeC．recal