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Only after Mary read her article a second time _____the spelling mistakes.

Seldom ____ any mistakes during my past few years of working here.

It was at the gate of our school ____we gave the visitors a warm welcome.

This is the first time I_______ my first picture with my own hands.
---It is time that you __________a picture for me.

—Why didn’t you come for the meeting?
—Only allowed by our manager            .

______ the teacher has given permission, ______allowed to use the equipment in the lab.

To get as much firsthand information as possible, inspectors will hold workshops and distribute questionnaires, ____?

Only when _____ be possible to sign the contract.

________ a mobile phone can you ring ______ you want to talk with anyway.