◎ 题干
It would be very safe if you _____ the door _____ to the garden.
[     ]
A. fasten; led
B. will fasten; leads
C. fastened; leading
D. fastened; to lead
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It would be very safe if you _____ the door _____ to the garden. [ ]A. fasten; led B. will fasten; leadsC. fastened; leading D. fastened; to lead …”主要考查了你对  【现在分词】【虚拟语气】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。