People often don’t appreciate what they have, do they? —No, _________ they lose it

___________ is the Summer Palace from here—About three kilometers away. You can take the No.35 bus.

e boy worked harder, he ______ the exam

I don’t feel well today. I have a stomachache. —-Sorry to hearthat. ______________________.

You can’t complain of being left alone ________ you don’t make any effort to meet people.[ ]