When it comes to repairing refrigerators, Paul is superior ________ Bob

1I think _______ our duty to keep our environment clean andtidy.

It’s hard to believe that Jack should have fought with the policeman.—Yes. If one ____ ask for trouble, it can’t be helped.

It takes_____time to go there by plane than by ship

Did Jack come back early last night?—Yes,it was not yet eight o’clock_______he arrived home.