I believe the city can improve its traffic condition by (offer)______more option

游客2023-09-19  31

问题 I believe the city can improve its traffic condition by (offer)______more options of transportation.

选项

答案 offering

解析 本题考查介词by后加宾语的用法。根据语法规则,介词by后通常使用名词或动名词作宾语,故空格处应填入offering。
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