Those who know ____ it was that wrote “ A Tale of Two Cities”, raise your hands.

Why did they keep trying _________ they must have known it was hopeless?

---- Can you tell me how to learn English well?
---- Do more speaking, I think, ______ you will not be good at spoken English.

She is a talented musician ________ being a photographer.

The hungry man eats his food _______he hadn ' t eaten for a  week.

She’ll never forget her stay there         she found her son who had gone missing two years before.

The old tower must be saved, _______ the cost.

I fell in love with the pretty girl ________ I saw her.

John thinks it won’t be long _______ he is ready for his new job.

Several weeks had gone by _______ I knew the painting was missing.