John’sscoreonthetestisthehighestintheclass;he_____lastnight.
A.must study B.should have studieD C.must have studieD D.is sure to study正确答案C
John’sscoreonthetestisthehighestintheclass;he_____lastnight.
A.must study B.should have studieD C.must have studieD D.is sure to study正确答案C