The worker keep_______ in order to make money for their living

Kunming is l ,800 kilometres Nanjing.[ ]

Carol is getting old and he can’t jump as _______ as he did..

Why are you so _______,Amy?—I thought I lost my purse, but I didn’t. I found it in my study!

The party will begin in a hotel _____9:00 _____the evening.[ ]