__ is surprising to us is that Tom, for _______English was once boring, can speak English fluently as though he were a nativespeaker.

I know a little bit about Du Jiangyan, because I _____there with my husband several years ago

When did your mother _____ home

You finally made it, didn’t you?— Yes, _____ your help, I wouldn’t have succeeded[ ]

that the government can lead them out of thefinancial crisis, people are optimistic about the future of the country.