Students should involve themselves in community activities ___________ they can gain experience for growth.

Nowadays, teenagers seldom do any housework at home.— No, they don’t. Doing homework ______ most of their time.

—Joan，what ________ in your hand?—Look！It’s a birthday gift for my grandma.

Eliza remembers everything exactly as if it_________ yesterday.

He was determined not to be the first ____it.