(·北京 34)If wea table earlier we couldn't be standing here in a queue.A. have bookedB.

问题补充：

(·北京，34)If wea table earlier, we couldn be standing here in a queue.

A. have booked

B. booked

C. book

D. had booked

答案：

A. have booked

B. booked

C. book

(答案→)D. had booked

解析：

考查虚拟语气。句意：如果我们早点订桌的话，我们就不可能在这里站着排队了。可知if从句是对过去的虚拟，用过去完成时态。