Most students like dinosaurs, but ______ of them know the story of dinosaurs.
— I’m looking forward _________ a trip tomorrow!— _________ then!
— Which style is the old _________ favourite? — _________ hard to say.
— _________ nice flowers! Let’s pick some. — _________.
— Remember _________ the second _________ on your right! — OK, thanks a lot!
_________ social workers _________. We really enjoy doing volunteer work very much.