Maybe the disaster can destroy our homes, but_______can destroy the love in our people.

They have to walk_________8 country parks and___________20 hills and mountains. [ ]

The man lives on a(an) _____ island，but he doesn’t feel _____.

There are _____fifty students in each class in our school. [ ]

Jim, have you done homework_________?—- Yes, I have _____ done it.