Англ.яз. 5 упр плиз:)

Wendy explained that she had not gone to the theatre.
Boris explained that his cousine had arrived in London.
Mrs Evans explained that they were fond of ballet.
Colin explained that he had been late for the performance.
Sid explained that his aunt had enjoyed her visit to Russia.
Tony explained that he hadnt known about that.
Florence explained that she had lost her favourite ring.
Valery explained that he hadnt felt well then.