Sorry these two tables are already . You may book the one over there.A. preservedB. deser

问题补充：

Sorry, these two tables are already . You may book the one over there.

A. preserved

B. deserved

C. observed

D. reserved

答案：

A. preserved

B. deserved

C. observed

(答案→)D. reserved

解析：考查动词：A. preserved保留，B. deserved值得，C. observed观察D. reserved预定，句意是：对不起，这两个桌子已经被预定了。你可以订那边的桌子。选D。