题目：
—Please go and say hello to your aunt．She’s in the living room now．
—She has arrived! But when ______ she ______?
A．will; arrive
B．did; arrive
C．had; arrived
D．has; arrived
答案：
答案：B
—Please go and say hello to your aunt．She’s in the living room now．
—She has arrived! But when ______ she ______?
A．will; arrive
B．did; arrive
C．had; arrived
D．has; arrived
答案：B
