A. go off B. went C. Qomolangma D. track A. begin B. glance C. economy D. whether A. geographical B. kid C. orange-and-white D. icy A. herb B. area C. difficult D. bond A. blog B. surfboard C. broker D. window A. truth B. measure C. nose D. not at all A. drily B. outlandish C. entertain D. silence A. fun B. tool C. Nigeria D. make one's way A. dolphin B. exhibit C. flashlight D. sleepy A. sometime B. backward C. date D. knock on