__________ time goes on, our country becomes more and more powerful.
| A．With | B．Since | C．While | D．As |
While cleaning the snow on the road, _________.
| A．a wallet was found on the ground. |
| B．a wallet appeared on the ground. |
| C．I found a wallet lying on the ground. |
| D．I found a wallet laid on the ground. |
Dorothy was always speaking highly of her role in the play, ___ , of course, made the others unhappy.
| A．who | B．which | C．this | D．what |
—Did you notice my little son just now?
—No, Mrs Black. I ______ computer games.
| A．play | B．am playing | C．would play | D．was playing |
— Will you go to the museum tomorrow?
— Yes, I will go _______ it’s windy.
| A．since | B．as though | C．if | D．even though |
—Would you like to go out for a walk with us?
—______, but I’m very busy now.
| A．Of course not | B．I’d like to | C．That’s all right | D．That’s right |