The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________he reaches these limits will depend on his environment.
----Honey, let’s go out for dinner. -----I don’t have to cook.
—I'd rather have some wine, if you don't mind. — ________. Don't forget you will drive.
—He didn't feel a bit nervous when ________. —No. He'd had a lot of time ________ for it after all.