<DIV style="FONT-SIZE: 12px">
<P>My parents are now_____Nanjing.</P>
<P>&nbsp;A. on&nbsp;&nbsp; B&nbsp;. in&nbsp;&nbsp;&nbsp; C.&nbsp; at&nbsp;&nbsp; </P>
<P>&nbsp;</P>
<P>He has a nice bedroom _______home.</P>
<P>&nbsp;A. in&nbsp;&nbsp; B.of&nbsp;&nbsp;&nbsp; C.&nbsp;&nbsp; at&nbsp; </P>
<P>怎么选啊？？？？？？？</P></DIV>

in, at

in  at

in at

in, at