21. More than one high official_____by the police since the mayor war shot dead.
—I'm sorry to interrupt you, but I don't follow you now.—Sorry, I _____ it clear about my plan.
“Passengers _____ not have their breakfast on the light train”. This rule arouses heated debates in Chongqing.
—Are you guys ready for “The Campus Singers Competition”?—Sure!Since we are young, try it, _____ we will regret!
As a member of one world, each of us has a role _____ to make the earth a better place.
—As an old saying goes: “Opportunities favor the prepared mind.”—Perfectly! Now ______.