— What can I do for you?— I’d like to borrow ______ book about ______ Pacific Ocean.
____ it is to skate on real ice!
From the ______ expression on his face we can guess something ______ must have happened to him.
Mr Li who is in _____ charge of our class is very experienced.
He is a man of ____ and he had a lot of interesting ____ in his life.
I don’t think _____ possible to master a foreign language without much memory work and practice.