driving used to occur _______, butnow it is under control

hard to believe that Jack ________ have foughtwith the policeman.— Yes. If one ________ ask for trouble, it can’t behelped.

You must doyour homework now; you ________ computer games all the evening.

Things made by hand are usually more expensive than _________ produced in factories.

I wonder why Jack always gets good marks when he does only ______ the others [ ]