. —He must be a true friend, isn’t he? —Of course he is. He seldom ____________ a bad word about others.
-- 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 _______.
In our city, ________ college students want to work as a teacher in holidays.
I don’t like eating chocolate. The taste is too ________.