Many people are wearing gloves and coats. So I think it is _________ outside.

Only when I left my parents for America ____ how much I loved them.

__________ volunteers will be needed for 2014 International Horticulture Exposition (国际园艺博览会) in Qingdao.— Let’s go and join them.

____ yogurt do you need?—Three cups.[ ]

People have lots of problems living in the central Australian desert, ____ the lack of water is the most serious one.