Not _______with the high marks in the exam, the determined student aimed high to get full marks next time.

Although my grandfather is in his eighties, he is still as ________ as a young man and hates sitting around doing nothing all day.

A        friend is the one who you can trust and will not leave you alone when you are in need of help.

Though my grandfather is in his eighties, he is still as _________ as a young man and hates sitting around doing nothing all day.

Don't keep your mouth ___ if you want to improve your spoken English.