Billions of tax dollars have been spent on space exploration. Which choice is correct about this sentence?

The simple subject is dollars

The simple predicate is on space exploration

The simple subject is billions

The simple subject is dollars

Explanation:

The simple subject is the noun or pronoun in the sentence that stands alone. In the sentence given, the clause, billions of tax dollars, stands as the subject of the sentence. The simple subject is the 'dollars' that was described by the other preceding descriptors.

The predicate is, spent on dollar exploration. The simple predicate is spent. The predicate is the verb that stands alone in the sentence and describes the action.

answer: we need to see the ads : )

c is a symbol. when bernice gets her hair cut, it is the authors way of showing the affects and demands of pier pressure and the over-all attitudes of people at the time.