1,My children will turn off the lights when going to bed.-> The lights.... 2,They will use solar energy to protect the environment.-> Solar energy.... 3,We often walk to school.-> We often go... 4,We will use less electricity in the future.->Less electricity... 5,Athough he is old he can run fast.->Inspite of his... 6,People will use biogas for fuel in home and for trensport.->Biogas... 7,The film bored them so they left early.->The film was...
