He does not talk or laugh loudly ______ public.
Tom realized that he ________ his physics book at home when he reached school.
In Sweden, people don’t need to _______ too much money on presents, instead, making a meal is enough.
-- Can we make this plan a week later?-- No, we can’t put off _______ it because the meeting is only two days from now.
--When _____ the abacus _____? -- In the sixth century by the Chinese people.
We have been friends for nearly twenty years. Nothing can break off our _______.