Question

【题目】—That actor often joins in different activities in Beijing. Do you know ______?
—For 5 years.

A.how soon he will come back
B.how long he has stayed there
C.when he went there
D.when he will come here

Answer 1

【答案】B
【解析】Do you know 后接宾语从句；根据答语：五年了。可知上句为：那个演员常在北京参加各种活动。你知道他在那儿呆了多久了?表示“多长时间”用how long，故选B。