Have you known each other for long?— Not very long, ____ we started to work in the company.

We were just about ready to leave _____ it started to snow.

With all the problems solved, Jessica ________herself into the chair with a small sigh of relief. [ ]

His parents died in the strong earthquake, so he was ______ in the SOS Village.

In order to continue to learn by ourselves when we have left school, we must ______ learn how to study in the school now.