Which of the following sentences is a two-place predicate?
A．It is snowing.
B．The baby is sleeping.
C．John gave Mary a book.
D．Jack loves Mary.

A.It
B.
B．The
C.
C．John
D.
D．Jack
E.


【参考答案】

D
双位述谓结构含有两个变元(即两个名词性成分)，D含有两个变元Jack和Mary。A没有变元，B只有一个变元，......

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