He was able to return .This means he ( )a could if he wanted to b might c could have d did
题目
He was able to return .This means he ( )a could if he wanted to b might c could have d did
答案
选A
be able to 的意思就是能够.,有能力 .
和A的意思相符
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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