那个小男孩差点被塑料袋闷死，幸好妈妈及时发现。

The little boy almost ___suffocated in the plastic bag, but his mother found him just in time.

在这个没有隐私的小公寓里，我感觉快要窒息了。

Living in this small apartment with no privacy makes me feel ___suffocated.

过度的规章制度会扼杀员工的积极性。

Excessive regulations will ___suffocate the employees' motivation.