What time will Mr Black be back to ChinaWhat time will Mr Black be back to China 一 Sorry .I don't know ＿ .A.when did he go abroad B.how long he will styay abroad.C.how soon will he be back.
问题描述：
What time will Mr Black be back to China
What time will Mr Black be back to China 一 Sorry .I don't know ＿ .A.when did he go abroad B.how long he will styay abroad.C.how soon will he be back.
答
A他什么时侯离开的