Bob has gone to California,I hear.Oh,I wonder when he ------- A leaves B left C was leaving D has left
问题描述:
Bob has gone to California,I hear.Oh,I wonder when he ------- A leaves B left C was leaving D has left
答
B 我想知道他什么时候走的(已经去加州了,说明“走”这个动作已经是过去了)