—Liu Xuan, did you see the Denmark’s famed “Little Mermaid” sculpture in Shanghai Expo?
—No, I didn’t. I _______ it twice in Denmark.
| A．have seen | B．were seeing | C．had seen | D．saw |
If you have any difficulty ____ how to skate, you can turn to Jacky.
| A．learned | B．to learn | C．learning | D．learn |
He is such a good teacher ______ we all respect.
| A．that | B．so | C．as | D．who |
They are talking _______ they were old friends.
| A．as if | B．as although | C．even if | D．even though |
____ it is to skate on real ice!
| A．What fun | B．What a fun | C．How a fun | D．What funs |
From the ______ expression on his face we can guess something ______ must have happened to him.
| A．confused, confusing | B．confusing, confused |
| C．confused, confused | D．confusing, confusing |