It’s ____ difficult problem for the twins that ____ of them can work it out .
| A．so ,neither | B．such a , none |
| C．so a , neither | D．such a ,neither |
The little girl kept _______ the house, because she wanted to keep it _________.
| A．cleaning, clean | B．cleaning, cleaning |
| C．clean, clean | D．clean, cleaning |
—Would you please __________ us one of your __________ designs?
| A．showing, the best | B．show, best |
| C．to show, best | D．show, the best |
---Your answer _________ right.
--- Really? But I’m not quite sure. __________ yours is right.
| A．maybe, Maybe | B．maybe, May be |
| C．may be, Maybe | D．may be, May be |
Nanjing isn’t as large ___Shanghai, however, it’s the second____city in East China.
| A．like, largest | B．as, largest |
| C．like, large | D．as, large |
He always seems _____. Now he’s looking ______at his new drawing.
| A．happy, happily | B．happy, happy |
| C．happily, happily | D．happily, happy |