.---Sorry, Mum. I’ve lost my pen again.I_____it! You never remember to put your things away after using them.
Scientists have been curious about that fish. How does it live _______most fish would freeze to death?
He added, "President Obama is going to do_____ he thinks is necessary to get our economy moving again."
— Come on, please give us some more explanation about the project.— Oh, sorry. With so much work ______ my mind, I almost break down.
—How much sugar did you put in my coffee? It tastes so bitterk#s^5*u.—I am sorry to say that there’s ________left.I’ve forgotten to buy ______on my way home.
Many students were watching the story of the heroes from Changjiang University on TV, ________ moved to tears.