He finds ____ hard to finish the work in two days.

I’ll never forget the days ______ I spent on the farm.

Which city will you choose to visit, London or NewYork —__________. I hope to visit Beijing.

It______ we had stayed together for a couple of weeks______ I found we had a lot in common.

How dangerous it was !—–Yes, but for the young man’s quick action, he run over by the car.