―Tomorrow is Sunday, shall we go to the World Park?―Oh, no, I don’t want to go there again. I ____________ it twice.
Mr. Li asks the students ______ in the river, because it’s too dangerous.
interesting subjects they are !
To live a green life, we should try to save ____ energy and produce__pollution.
-- Here is a schoolbag. Whose is it? -- Oh, it's ________. Thank you.
—What do you think of _______ film about Zhan Tianyou?—It’s __________ good film.