The leader is losing ground as the rest of the runners _____

____ the house prices have risensharply, the number of buyers is as great as ever.

There are so many beautiful bags. I don’t know ________ first.

Tuantuan and Yuanyuan are the names _____ given to the two pandas which have been sent to Taiwan [ ]

_______ along the road, Mr. Smith met an oldfriend of his.