She asked me if I had found (out不要) my new bag.
He had changed so much that I could hardly recognize him.
I learnt (of去掉) from Joan that Mary had fallen ill.
I beg your pardon.Please repeat your words.（这个好像有这么一说：repeat和again重复)
Don't let the small children （to不要） go swimming alone.
We are told to study hard to serve （for不要） the pelple better in the future.
I know little about Richard,but I know Lily better than him.
The writing of the report took me half a week.(sb.spend time (in） doing .sth.take sb.time to do sth.)
恩恩．．．大概就是这样了．．．请多多指教