百度作业网判断正误,对了t；错了f,并改正.
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判断正误,对了t；错了f,并改正.
she said she has already sent the letter to us( )
I heard she was twenty,but she must beleast thirty years old.( )
she said she has already sent the letter to us( )
I heard she was twenty,but she must beleast thirty years old.( )
she said she has already sent the letter to us(T )
I heard she was twenty,but she must beleast thirty years old.( F )
正确的是：
I heard she was twenty,but she must be at least thirty years old.
at least 是一个介词短语,意思是【至少】
I heard she was twenty,but she must beleast thirty years old.( F )
正确的是：
I heard she was twenty,but she must be at least thirty years old.
at least 是一个介词短语,意思是【至少】