--_________ can cormorants stay under the water?
--_________ up to two minutes.
| A．How soon, For | B．How often, / | C．How long, For | D．When ,For |
_______ his sister, Alice．
| A．They' re | B．These |
| C．Those | D．That' s |
This is ____ eraser and that's _______ ring．
| A．a, an | B．an, an |
| C．an, a | D．a, a |
—Would you mind if I open the window?
—.
A、Not at all
B、Yes, please do
C、All right
The rich manall his money to the charity when he died.
A、gave up
B、gave out
C、gave away
I don’t know.
A、what does he do
B、what’s the matter with her
C、what he says just now