Question

every morning,XX takes a ------to his office.

every morning,XX takes a ------to his office. A.20 minutes'walk B.20-minute walk

Answer 1

选B，B中20-minute的是一个合成的形容词，放在冠词和名词之间，作定语，正确

就选B

Answer 2

A

追问

我也选A可答案说B

求解

追答

哦，应选B.如果是A的话，前面不能有a.B中连词符表示一个形容词。