【2012山东济宁】Sam likes trekking_______the jungle, because he thinks it's exciting.
—Could you tell me ________________? —Next Sunday.
—How can I finish so much homework? —Don’t _______________, or there will be no chance for you to succeed.
—I hope I can get better grades this time.—________________. You have studied even harder than before.
Last year, another two beautiful bridges ___________ over the Jialing River.
—Excuse me. May I sit here? —I’m afraid you _________. My daughter will come back soon.