Complete using the correct form of the verbs in brackets

Ex7. Complete using the correct form of the verbs in brackets. (using the mixed
conditionals)
1. If you took my advice, you (be) ___________________ happy last vacation.
2. I (send) ___________________ her a letter now if you had not found her address.
3. We (not/ be) ___________________ angry at the moment if you had refused the
dinner.
4. If they (support) ___________________ our product when we asked them yesterday,
they would get a discount now.