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题目内容
（国家开放大学-开放英语4）
He is over fifty, but he looks as if he ____________ only in his thirties.
选择一项：
A.
will be
B.
has been
C.
is
D.
were
选择一项：
A.
will be
B.
has been
C.
is
D.
were
参考答案