A. knowledgeable B. assign C. situation D. wait for A. pioneer B. imperative C. adjust to D. safe A. newspaper B. dangerous C. continuously D. good job A. ah B. pregnant C. run down the stairs D. predecessor A. ticklish B. awake C. play with fire D. Mongolian A. watch a film B. beer C. stop D. operation A. scary B. street C. reputation D. get hold of A. green B. strata C. ticket office D. make progress A. play football B. silent C. dare modal D. porridge A. accomplishment B. safety rule C. railway station D. bronchitis