18.He injured his leg and couldn’t play in the game.A. thereforeB. howeverC. in which cas

问题补充：

18.He injured his leg and couldn’t play in the game.

A. therefore

B. however

C. in which case

D. in this way

答案：

(答案→)A. therefore

B. however

C. in which case

D. in this way

解析：可联系答.案.网客服索取。