II. Complete the sentences with the appropriate forms of the verbs in brackets ( Present Perfect, Past Simple, Present Perfect
Continuous )
1. She is free now. She ___________ (to pass) her final exam.
2. David_____________ ( to start) school in 1990.
3. It _________________ ( to rain) for three hours.
4. They_________________ (to wait ) for us since 7 oclock.​