Соотнесите предложения 1 - 6 и союзы a - f. a) because b) how c) whose d) which e) what f) who 1) i've no idea he has become a professional sportsman. 2) ivan kulibin, russians are proud of, was a great inventor. 3) we're very concerned greenhouse effect means. 4) it seems very exciting to visit the london tube, is a modern railway system. 5) my son has no problems with his friends he likes to get together. 6) arthur conan doyle, character sherlock holmes is well-known, was born in 1859.
1) I've no idea how he has become a professional sportsman. 2) Ivan Kulibin, who Russians are proud of, was a great inventor. 3) We're very concerned what greenhouse effect means. 4) It seems very exciting to visit the London Tube, which is a modern railway system. 5) My son has no problems with his friends because he likes to get together. 6) Arthur Conan Doyle, whose character Sherlock Holmes is well-known, was born in 1859.