A. should B. had C. historical D. each A. make a decision B. at the time C. shy D. transverse A. penniless B. ups and downs C. word D. formation A. tussle B. England C. agree D. fragment A. hang B. comet C. mammal D. improve A. domesticate B. tricycle C. ominously D. place A. developer B. switch C. main D. friend A. make fun of B. possible C. long-eared D. hawser A. unshakable B. neck C. arrest D. understand A. grammar B. ID number C. say to oneself D. burrow