Immediately after leaving school, Sam joined the army. → , Sam joined the army.
举一反三
- In ________, my grandfather joined the Red Army.
- He ____ for three years. A: has joined the arm B: has been in the army C: has been serving in the army D: joined the army
- He for three years. A: has joined B: has been in the army C: joined D: has served the army
- How long ___ the army? Five years. I ___ the army in 1999. A: have you joined; joined B: were you in; have joined C: did you join; was in D: have you been in; joined
- I will never forget the day ______ I joined the army.