the first time you _______ Beijing—-No. But the first time I ______ here, the citywasn’t so beautiful.

Some pre-school children go to a day-care center, ___ ___ they learn simple games and songs.

126 The reason for the strike was that thecompany _____ its workers _____ long hours and low pay

Why are you staring at me?—You look stupid! The way you wear is ______ annoys me most

The Great Wall of China is ______wall in the world.