Our experiment had got into trouble, so we decided to take chance and add more water, and luckily, we succeeded.
A. / ; /
B. / ; a
C. the; a
D. a; a
网友回答
A. / ; /
(答案→)B. / ; a
C. the; a
D. a; a
解析：句意：我们的实验陷入麻烦，所以我们决定冒险多加一些水很幸运我们成功了。get into trouble陷入麻烦,陷入困境；take a chance冒险。根据句意故选B。