1 would travel,2 has shown,3 had seen,4 have known,5 be watered,was build.
1 if the beautiful girl would be shosen an Miss Universe.
2 if i could write a letter to the teacher.
3 if i could go with her.
4 a radio programme from the book was made by him.
5 his song was heard by me last night.
以上答案仅供参考!