40. Please _____ the lights as you leave the building.
A. put off B. put out C. put on D. put up
39. - I don’t think I should stay in this house?
- ______ why?
A. And B. But C. Or D. So
38. - Do you know the lady in yellow at the gate?
- Sorry. I don’t know _______.
A. what is she B. which is she C. who she is C. how she is
37. - What shall we do for them?
- We’d better ______ them love and security(安全).
A. afford B. offer C. support D. allow
36. - Did all the students in your class pass the test?
- Some of them did. _______ didn’t.
A. Another B. None C. The others D. Some other