Living in _______ ever increasingly fast-paced world, we are facing greater competition, so we must take ________ advantage of every opportunity to develop.

Mike is my friend. ________ wants to know something about the Silk Road.

Excuse me. Could you tell me ____get to the nearest post office—Sorry, I am new here.

Neither side is prepared to talk to_________unless we can smooththings over between them

______unwisely, but he was at leasttrying to do something helpful．