People like to shop in the supermarketbecause they are interested in the ________ of goods on offer and can buywhatever they want.

_______ the help of my teacher, I worked out the problem in the end.

It was __________ exciting news that all of us couldn’t help _________.

There is someone knocking at the door.- It ______ be Jimmy, he has gone to ShangHai .

Nobody ____to smoke in the cinema.