B) is john going to the country? no john isn't going to the country he is going to the beach
c) are they going by train? no they aren't going by train they are going by plane
d) is he lending us a book? no he isn't lendin a book he is lending a magazine
e) are you going to travel on tuesday? no im not going to travel tuesday im going to travel on friday

espero ter ajudado ; )