单选题 If he had spent more time practicing speaking English before, he ________ able to speak it much better now.
【正确答案】 B
【答案解析】【解析】考查虚拟语气。此题为if虚拟条件句，从句时间为before，故是对过去的虚拟，用过去完成时态，主句时间为now，故是对现在的虚拟，因此用情态动词过去式后接动词原形，答案为B。