He raised his eyebrows. "You can't think of one, can you?" This is what happens if...
Without considering the practice of seperately paragraphing direct quotations, is this sentence correct? Is the presence of a period after '"can you?"' required, or can it be dropped in this particular case?
Should the sentence above be rephrased into something like:
He raised his eyebrows. "You can't think of one, can you?". This is what happens if...
