A. to one's surprise B. pilot C. mask D. stick to doing sth A. sympathetically B. contrast C. per cent D. sir A. squirrel B. truth C. direct D. resemblance A. climb B. dry up C. stupid D. hybrid rice A. exactly B. upwards C. discount D. swollen A. homestay B. CD C. dry out D. because of A. negative B. upstairs C. license D. take off A. muffle B. in the distance C. recede D. officer A. address B. school-leaver C. show sb around D. civilized A. NBA B. as long as C. stall D. supplement