Are these sentences correct:<br/><br/><span style="color:#ff0000;">1) He was dancing, which she was too.</span><br/><span style="color:#ff0000;">2) He was dancing, which she was doing too.</span><br/><span style="color:#ff0000;">3) He was dancing, and so was she.</span><br/><br/><span style="color:#ff0000;">4) He closed his eyes, which she did too.</span><br/><span style="color:#ff0000;">5) He closed his eyes, and so did she.</span><br/><br/>Gratefully,<br/>Navi.