Tom kept quiet about the accident ____ lose his job.

Liu Lei _______watch baseball games, but now he doesn’tlike it any more.

A little boy wrote _____ “u” and _____“n” on the wall.

I know Thanks giving Day is traditional (传统的)in your country. But what’s the reason__________ the holiday?[ ]

Excuse me, where are we going to have our class meeting?—I’m not sure. Ask Li Hua, please. He _________ know.