The research group ________ 15 members has made great achievements in recent years.

Go______ the street, walk _______the post office,and_______ the street, and you will see the book shop in front of you.

The price of the house is too ______. I am afraid Ican’t afford it.

This factory is closing up,so lots of workers will be _____.[ ]

Many of us wouldagree that improving country through technology has great potentials_____food development in China.[ ]