Complete the sentences so that they mean the same as the original sentences. 1. My sister started studying maths at 4 o'clock. She is still studying it. My sister ____ maths since 4 o'clock. 2.Jane is really selfish - she doesn...

Complete the sentences so that they mean the same as the original sentences. 1. My sister started studying maths at 4 o'clock. She is still studying it. My sister ____ maths since 4 o'clock. 2.Jane is really selfish - she doesn't like anyone else. Jane is really selfish - she only ____ . 3.It is a long time since Kate emailed me. Kate hasn't ___ a long time. 4, Tom can take care of himself. Bill can take care of himself, too. Tom and Billcan both ____ . 5. Nobody helped us - we did it on our own. Nobody helped us - we did it ____.