54.　 e-mail sb. =send an e-mail to sb.

53.　 thank sb. for doing sth.=thanks fro doing sth.

52.　 the answer to the question

51.　 would like to do sth.=be ready for sth.

50.　 be nice to sb.=be kind/good/friendly to sb.

49.　 have fun=have a nice/good/great time

48.　 go to the school library

47.　 learn more about sth.

46.　 look forward to + n./ +doing sth.

I’m looking forward to a great day out.

I’m looking forward to seeing you.

45.　 would like to do sth.

I would like to go to Beijing Zoo.