In order not to be disturbed, he spent two hours ____ in his study.

 Born in a remote village ________ by endless mountains in Yunnan, I always dream of ________ the outside world.

Listen, Do you hear someone _____for help?

E-shopping, when properly _____ ,can save us a lot of time and energy.

 ________at the restaurant with a wide variety of dishes served before, Bob didn’t want to eat there again.