The old man lives _________ in the country, but he doesn’t feel _________ at all.

WeChat provides a networking platform ______ communication is faster and easier.

The money ________ for this trip abroad has been ready.[ ]

Have you ____ your key— No, I’ve ____ for it everywhere, but I can’t find it.

Xie Lei, a student studying abroad, highly recommendsthat you a substitute family to be with.