He injured his leg and______ he could not play in the game.
| A．so | B．however | C．therefore | D．but |
—— What do you think of the concert?—— Oh, it was______success.
| A．a very | B．quite a | C．so | D．really |
The plane flew smoothly ______ in the sky and people spoke ______ of theexperienced pilot.
| A．high；high | B．highly；highly | C．high；highly | D．highly；high |
Professor White has written some short stories, but he is _____ known for his plays.
| A．the best | B．more | C．better | D．the most |
How beautifully she sings! I have never heard _____ voice.
| A．a better | B．a best | C．the better | D．the best |
I thought she was famous, but none of my friends have ______heard of her.
| A．even | B．ever | C．just | D．never |