A. first of all B. user-friendly C. on time D. radical A. go away B. laughed C. nostril D. sight A. Motherland B. manifest C. male D. state A. dip B. up-to-date C. press D. amazing A. agreement B. billion C. farthest D. south A. creature B. ego C. year D. listen A. a great many B. gratitude C. NASA D. studied A. frog B. said C. go off D. former A. in surprise B. shark C. extent D. ocean A. overheads B. rainstorm C. defeat D. thank you