我会加标点。
1．沉香怎么才能救出他的母亲呢
2．王二小是儿童团员
3．我们的生活多么快乐啊
1．？ 2．。 3．！
为避免误食化学药品，进入实验室时，应注意做到（）。
A、不准把食物、饮用水、食具带进实验室
B、禁止在实验室内吃口香糖
C、使用化学药品后须先洗净双手方能进食
It was __________ computer games that cost the young man a lot of precious time that he ought __________ on his lessons．
A．to play, to be spending
B．playing, to spend
C．played, to have spent
D．playing, to have spent
