After the age of 50 people often _____ their individual ambitions.
These days I can only sleep for four or five hours at night as I’m too busy with my research work..— If you keep going on like that, you are sure to ______ sooner or later.
Jerry,________ are you going to do with the old newspapers—I’m going to take them to the recycling centre.
Just as Professor Scott often________it,success is ninety-nine percent mental attitude
Of the underlined parts, which has a different pronunciation(发音)