1.I had the good fortune to be chosen for a trip abroad.
I was so lucky to be chosen for a trip abroad.
2.My maths became much better than before because i spent more time on it every day.
My maths improved a lot because i spent more time on it every day.
3.Wang Bin found that her homework was difficult at the beginning of the new term.
Wang Bin her homework difficult at the beginning of the new term.
4.我很想去,只是忙不过来了.
I really wish that I could go there,but my hands are full.