known to all language learners, the newly learntwords will soon be forgotten unless ______ used in everyday communication.

The couple look very excited，because their only son has been _______to Hong Kong University.

What would you like to order, sir—Er, let me have a look at the , please.

my driving license with me on holiday, ________ I wanted to hire a car.

It’s said that there are plenty of hotels here .Therebe any difficulty for you to find somewhere to stay.