Are these sentences all right, please?<br/><br/>a. The interviewer asked: “<b>Talk about you. Say how old you are and what you do</b>.”<br/><br/>b. The teacher asked: “<b>How much time do you take to do your homework?”</b><br/><br/>c. “Little Johnny, what’s the <b>chalkboard color</b>? <br/><br/><br/><br/><br/><br/><br/><br/>