How many ______are there near the house —None.

________you’ve got the chance, you must make full use of it

With Shanghai World Expo drawing near, volunteers are making use of every minute to ____ their foreign language because language volunteers must pass a written test and an interview.

New medicines and instruments ______ every day to extend life.

Nobody but doctors or nurses and those ________ by Dr Hu ________ to enter the patient’s room