【题目】It is lucky we booked a room，or we________nowhere to stay now.
A.had
B.had had
C.would have
D.would have had

【答案】C
【解析】句意：我们很幸运地订到了房间，否则的话，我们现在就会无处可去了。or引导含蓄虚拟条件句，or后面是主句，相当于if we hadn’t booked a room, we would have nowhere to stay now.，根据“now”可知，是对现在进行虚拟，因此用would+动词原形，故选C。