He didn’t go to school because of his bad cold.[ ]

He has two pets. One is a dog, ______ is a cat.

My family always have a party ______ the evening of October 1, and the party starts ______ 8. 00 p. m. [ ]

Can you ride a horse? ——–No, I ________.

For most people, it’s very difficult to _____ air on the top of Qomolangma.