skirt is blue. is red. Which of them do you prefer— is OK. I like their styles.

The professor could hardly findsufficient grounds________ his arguments in favor of the new theory

If you want to book tickets for the 2012 Olympic Games, just call 60952012. It _____be simpler.

Any good way to get there on time? —Only by ________.

The general demanded that the soldiers _____ at thevillage before 5p.m. to rescue the victims of the earthquake.