Tom was so wild about puter games that he would stay online for ten hours every day．
A. in the end
B. in particular
C. on end
D. on purpose
网友回答
A. in the end
B. in particular
(答案→)C. on end
D. on purpose
解析：句意：汤姆如此地热衷于电脑游戏以致于他每天在线连续10个小时。A．in the end最后，终于； B．in particular尤其，特别； C．on end 连续； D．on purpose故意地。
根据句意故选C。