We must keep our classroom ________．
| A．clean | B．cleaning |
| C．to clean | D．cleans |
—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
They had a difficult timetoo drive last year.
A、learning B、learnt C、to learn
We should do something to make our lifethan before.
A、better B、well C、good