All the children on the playground stared up into the sky until the noise of the plane _________.
—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 ______.