1. When they build nests during spring nesting season, Canadian geese are fiercely terrestrial.
à____________________________________________________________
2. Students must not speak Vietnamese when they are in an English lesson.
àDuring_______________________________________________________
3. Soon after I had given him the money, he gave it to the old man.
àSoon after____________________________________________________________
4. Jack saw a skunk while he was walking home. (WHILE)
___________________________________________________________
5. Jack stopped when he spotted it. (WHEN)
___________________________________________________________
6. Jack waited a short time before he continued on. (BEFORE)
___________________________________________________________
7. Jack still smelt the skunk after he passing that area. (AFTER)
___________________________________________________________
8. Jack has been taking a new way home since seeing a skunk there. (SINCE)
___________________________________________________________
16. Though she was surprised at the results, she was pleased with what she had done.
=> Though________________________________________________________
17. The family stopped to visit many relatives while they were driving across the country
=> While________________________________________________________
18. The application will at least be reviewed if it is submitted by the fifteenth of the month.
=> If submitted________________________________________________________
19. The medicine will not be effective unless taken as directed.
=> If it________________________________________________________
20. Though made in Japan, the bike is not very expensive.
=> Although it________________________________________________________
21. Before he left on his trip, he gave his plan to his wife.
=> Before ________________________________________________________
22. When he was told about the news, he became disappointed
=> When ________________________________________________________
