Take your bank card with you when on a business trip,_________ can save you a lot of troubles.
In 1939, Hitler ______ war against Poland, which started the Second World War.
He is more than happy to keep you ____ company, which is just out of _____ question.
---Shall we go to the art exhibition right now?--- ____________.
—He failed in the exam again. —He __________his teacher’s advice.
When first to the market, these products enjoy great success.