We went through a period _____ communications were very difficult in the rural areas. [ ]

Only 16 percent of China’s area ____ covered withforests, so ____of us should protect trees.

Hurry up! It’s ______. We’re asked to finish it by 5 o’clock.— You mean we’ve only got 20 minutes left.

Oh, my cat is really fat.— You __ have given her so much food.

I__________ a soccer ball and my sister a volleyball.