Direction: In the given sentence, some parts are printed in bold while some are not. The parts printed in bold are correct and need no improvement. The parts which are not printed in bold may or may not be correct. Choose the part which is incorrect and needs improvement. A ban came into effect on 1 June 2008 that prohibits all supermarkets, department stores and shops throughout Kenya from giving out free plastic bags, therefore encouraging people to use cloth bags as during the ancient times.