Question

－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． how long has he stayed there D． how often does he go there

Answer 1

答案：B
解析：

賓語從句用陳述語序，故排除C和D，根據答語“For 5 years．”來判斷用how long，故選B。