--May I open the window to let in some fresh air?
-- __________
| A．Come on. | B．Take care. |
| C．Go ahead! | D．Hold on! |
35. —Did you attend David’s wedding last night?
—No. I ________ before that.
| A．wouldn’t have been invited | B．didn’t invite |
| C．wouldn’t invite | D．hadn’t been invited |
34. The man showed us so heavy a stone _______ no man can lift.
| A．that | B．as | C．which | D．And |
33. To improve your reading ability, you should ____ half an hour every day for learning new vocabulary.
| A．leave out | B．take up | C．set aside | D．focus on |
32. This disaster ______ that people had no knowledge of first aid and they hadn’t known how to protect them-selves in face of danger.
| A．led to | B．contributed to | C．resulted in | D．lay in |
31. I just wonder ____ that delights the whole family so much.
| A．what it is | B．what he does | C．how it is | D．how he does |