_______ they _______to the concert —No.They stayed at home and watched TV.

Experts have pointed out that the _____ of severe punishments plays a major role in the growing food safety problem.

____ the house prices have risensharply, the number of buyers is as great as ever.

Have you finished your homework ______ –Not ______, I’ll need another hour

I have been living in the United States for 20 years, but seldom ______ so lonely as now.