The real threat of fraud(欺诈) on the Internet has highlighted the fact ________ consumers fear shopping on line.

Shila doesn't speak our language,              she seems to understand what we say.

______ we have confidence and determination, we can win the match.

    Professor Hawking stepped into the office I knew that there was no hope.

A dozen ideas were considered _______ the chief architect decided on the design of the building.