Professor Smith has written some novels, but he is _____ known for his plays. 

If you are invited to any special occasion such as a wedding or a celebration, you’ll have to be ____ dressed.

 —Do you think that the 11th Chinese National Games were a success?—Yes，__________ ！It couldn't be__________ .

We were all very much attracted by the beautiful scenery ______ we set foot in the village.

A car accident happened on the highway because of the heavy fog, but 　　　 no one got seriously injured.