20．The government is taking some measures to encourage people      by public transport．（　　）
A．travelB．to travelC．traveling

分析 政府正在采取一些措施鼓勵(lì)人們乘坐公共交通工具旅行．

解答 答案：B．
根據(jù)The government is taking some measures to encourage people      by public transport，可知本句考查了encourage的用法：encourage sb to do sth鼓勵(lì)某人做某事，后面跟to引導(dǎo)的動(dòng)詞不定式形式．故選B．

點(diǎn)評 本題考查了動(dòng)詞不定式的用法．解答時(shí)注意：encourage sb to do sth鼓勵(lì)某人做某事，后面跟to引導(dǎo)的動(dòng)詞不定式形式．

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