--I wonder why everybody looks at me strangely when I cross the road. --In this city, you have to wait for a walk _____ to cross the road.
Water rafting, ___ courage plays an important role, is a breathtaking outdoor sport.
The little girl, with tears ___ down her cheeks, stopped crying suddenly when given an apple.
The boy and his father ___ abroad for a few days when they were free last summer.
South-to-North Water Diversion Project will largely___ Beijing’s dependence on underground water.
A house next to the key middle school costs about ___ of one in other districts.