Do you want to go hiking with me this weekend? –I’d love to. But I have to ________ my little brother at home.

Do you often play computer games? —No, And so do ________ of my classmates, you know we are very busy

Why not take this sweater, Li Hua?—I have only 20 yuan. I can’t _____ it.

_____ people are there in your town? —One hundred thousand.[ ]

As we all know, playing chess is usually one-to-one game.