I didn’t see her in the meeting room this morning. She ______ have spoken at the meeting.
It’s said that _______ of the students _______ absent.three-fifth, are B. three-fifths, is C. third-fifth, is D. three-fifths, are
Teaching year after year, he gradually ________much experience.
Do you know _______ expense the trip will be?
He worked hard. ________, he won the first prize.
When speaking in public, it is important to _____ your message _____ and keep the attention of your audience.