— Mr. Smith joined in different activities in Beijing. Do you know ___________?
— Since 5 years ago.
A.when he went there | B.how long he has stayed there |
C.how soon he will come back | D.when he will come here |
— Mr. Smith joined in different activities in Beijing. Do you know ___________?
— Since 5 years ago.
A.when he went there | B.how long he has stayed there |
C.how soon he will come back | D.when he will come here |