The teacher recommended that everyone this dictionary.A. boughtB. buyingC. buysD. buy

问题补充：

The teacher recommended that everyone this dictionary.

A. bought

B. buying

C. buys

D. buy

答案：

A. bought

B. buying

C. buys

(答案→)D. buy

解析：考查虚拟语气。本题中的动词recommend后面所借宾语从句要使用“should+动词原形”构成，should可以省略。句意：老师建议每个人都购买这本字典。故D正确。