题目内容:
______ before we depart the day aftertomorrow, we should have a wonderful dinner party.
A.Had they arrived
B.Were they arriving
C.Would they arrive
D.Were they to arrive
参考答案:
答案解析:
______ before we depart the day aftertomorrow, we should have a wonderful dinner party.
A.Had they arrived
B.Were they arriving
C.Would they arrive
D.Were they to arrive