Dear all,<br/><br/>Could you help me verify the answer for the following two sentencs? Then is an adverb, so a conj is needed. My answer is a. Is that correct? Thanks.<br/><br/>a: The children brush their teeth, <b>and then</b> they go to bed.<br/><br/>b: The children brush their teeth, <b>then</b> they go to bed.