A. sixth B. unhappy C. spacecraft D. one by one A. kitchen B. since then C. network D. except A. knock on the door B. glass C. twentieth D. pen A. shout at B. permanent C. computer D. over A. ninth B. dialect C. introduction D. govern A. inject B. all kinds of C. rectangular D. circular A. band B. bear C. November D. favor A. north B. as soon as C. go climbing D. whichever A. born B. ourselves C. crack D. remember A. impatient B. cavern C. grow D. flap