The faces of four famous American presidents on Mount Rushmore can be seen from a ________of 60 miles.
---Has Tom finished his homework? ---I don’t know. But he _________ it the whole morning.
There will be ___________space for wildlife if we keep cutting down forests.
My friend Joan ___________ a bad word about anyone.
Miss Jones___________Wuxi for one year, but she ________ the Tai Lake.
The number of the films ____________ than before.