Раскройте скобки, употребляя глаголы нужную форму глагола-сказуемого 1. i (to wait) for my friend. 2.the students (to finish) their experiment and now they are free. 3. my aunt (to go) to the country with us tomorrow. 4. many useful things (to obtain) from wood.
2have finished
3will go
4are obtained