If you try to learn too many things at a time, you may get ________.

Perseveranceisakindofqualityandthatis_______ittakestodoanythingwell.

—David has made great progress recently. — _______，and _______.

______ of meaning is a process by which a word that originally had a specialized meaning has now become generalized.

Oxford Advanced Learner s Dictionary ’ , 3rd Edition (1980), is among the best-known British ______ dictionaries.