Can I say,<br/><br/>(a) The flowers<u><b> gave off /had a good and sweet smell.</b></u><br/><br/>(b) The plant s<b><u>tarted to bloom (with flowers</u></b>).<br/><br/>(c) The flowers s<b>tarted to bloom.</b><br/><br/>(d) They flowers g<u><b>ave out / off a fragrant / a sweet smell. </b></u>