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

e got to the cinema, there were no tickets left. We should have booked .

The animal is ______; we must do something to save it.

_____ all over the hills and around thelake are wild flowers of different colors.

Not only I but also Jane and Mary _____ tired of having one examination after another. [ ]