Question

【题目】— does it take to get to the library?— It takes about 20 minutes by bus.
A.How far
B.How many
C.How often
D.How long

Answer 1

【答案】D
【解析】句意——到达图书馆花费多长时间？——坐公共汽车大约20分钟。根据答语“大约20分钟”可知此处问多长时间，how far多远，how many多少，how often多久一次，how long多久，故选D。