Playing tricks on others is __________ we should never do.
He told us that the best way to ______ respect was to devote ourselves to ______ high grades.
We’re trying to ring you back, Bryan, but we think we _____ your number incorrectly.
— Bob has gone to California. — Oh, can you tell me when he ______?
Although all of the apples _____, none of them _____ good.
Jenny hopes that Mr. Smith can suggest a good way to have her written English _____ in a short period.