Question

Is the sentence compound, or is it simple with a compound verb?
We cleaned the garage and aired it out after the flood.
a. simple sentence with a compound verb
b. compound sentence

Answer 1

The sentence is a compound sentence.

It is a compound sentence because it contains two independent clauses joined together by a coordinating conjunction.

The independent clauses are:
We cleaned the garage.
We aired it out after the flood.

The coordinating conjunction used was "AND".