they do well in the exam.A.can be able to B.be able to C.can able to D.are able to 选哪个?
问题描述:
they do well in the exam.A.can be able to B.be able to C.can able to D.are able to 选哪个?
答
正确答案:选D
即:They are able to do well in the exam.
翻译:他们在考试中能答得很好.
解析:be able to 能够的意思,有人称和时态的变化.
有不明白的请继续追问,