单项选择题
M: When is the movie supposed to start W: Take it easy. It won’t start until 10:30. We’ve still got 20 minutes.
A.10:10. B.10:20. C.10:30.
A.have covered three fifth B.have covered three fifths C.has covered three fifths D.has covered three fifth
A.to be understood B.to understand it C.understanding D.to understood