Where did you get to know her? —It was on the farm ___ ___ we worked.

_____ well prepared you are, you still need a lot of luck in mountain climbing. [ ]

My sister has two skirts. One is yellow，and____________ is black.

While there are some differences in the educational systems in many countries in the world, education is________.[ ]

That was really an _______ film. We didn’t know the ending until the last minute.