His essay on political structural reform_____ nationwide attention and there were many pros and cons from different fields.[ ]

______mysweater. Do you like ______colour

I think _____________ necessary to do some morning exercises every day.

.Man’s shopping can be and often iscompleted in five minutes，which is less than a quanrter ________。

The group ______ the eight richest countries in the world signed a contract last week.