Ex. 5. раскройте скобки, ставя глаголы в соответствующую форму пассива и используя соответствующие предлоги. 1. the result of the examination (not to know) … two months. (future) 2. america (discover) … the end of the fifteenth century. (past indefinite) 3. a meeting (arrange) … the common wealth prime minister. (present perfect) 4. the bridge has had (close) … repairs. (infinitive) 5. you (meet) … the airport. (future) 6. he felt he (let down) badly … his best friend. (past pertect).