WhenNanjingMetroLine3cameintouse,itbecamemuch       tot...

問題詳情：

When NanjingMetro Line 3 came into use, it became much        to travel from the north of the Changjiang River to the city centre.

A. easy                    B. easier                C. easily                 D. more easily

【回答】

B  

知識點：形容詞比較級

題型：選擇題