1.The last time she wrote home was five months ago. ->She hasn't
2.He started working for this company two years ago.->He has
3.I spent one hour going to work by bicycle.->It took
4.Be careful or you will make mistakes.->If
5.He can't speak because he is so angry.->He is
6.They will built a new hospital here.->A new
7.It's not easy to do all this work in half an hour.-.I find it
8.Shall we go to the disco tonight?->What about
9.He can't cook as well as his sister.->His sister
