You’d better ______ some hot water into the bottle in case the teacools down.

I usually watch game shows on weekends because theyare_______ interesting.

Seeing the chemical ________ to the sunlight, Mr. Leewarned the workers to be careful when dealing with it.

Have you solved your problem——-I’ve kept on thinking about that matter__________， but I have had no idea.

Yesterday I read this newspaper, but I couldn’t find _____.