题目内容
The old man is very healthy. I think he will live______.
A.to be 100 years old B.100 years old
C.at 100 years old D.in 100 years old
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题目内容
The old man is very healthy. I think he will live______.
A.to be 100 years old B.100 years old
C.at 100 years old D.in 100 years old