hasten|hastened|hastening

喝热茶可以加快感冒的康复。

Drinking hot tea can ___hasten recovery from a cold.

她加快了脚步，以便能赶上最后一班公交车。

She ___hastened her steps to catch the last bus.

良好的政策加快了农村地区的基础设施建设。

Good policies are ___hastening the infrastructure development in rural areas.