--- ________ David be the new chairperson of the Students’ Union?
--- He _______ be， but I’m not sure.
| A．Can； can’t | B．Can； may |
| C．May； must | D．May； mustn’t |
He has _______ little money that he can’t even afford to buy__________ little sheep.
| A．so； so | B．such； such |
| C．so； such | D．such； so |
How lucky Peter was! Some policemen arrived in time and ________ him out.
| A．tried to help | B．managed to help |
| C．tried helping | D．succeeded to help |
The shop in Baolong Square ________ for six years， but I ________ there so far.
| A．has opened； haven’t gone |
| B．has been open； haven’t been |
| C．has been open； haven’t gone |
| D．has opened； haven’t been |
---I’m going to the post office.
---________you’re there， can you get me some stamps?
| A．As | B．Because | C．While | D．If |