—Lily, _____ you _____ your ticket?—Not yet!
—Jack,I have________working out the math problem.—Don’t worry.Let me help you.A.funB.troubleC.experience
—What do you think of the environment here?—Wonderful!________of the land________covered with trees and grass.
The baby feels________while his mother holds him in her arms.
I saw some________and________dancing in the street the day before yesterday.A.Germen;EnglishmenB.Germans;EnglishmansC.Germans;Englishmen
He can hardly stay awake because he is so tired,________?