The rising house price has become the biggest ______ of the ordinary people in China today.

Do you know if Linda is willing to take chargeof the program——_________，does it

Which one is different from others—I think it is ________.

a real race _______ time to get the projectdone Luckily, we made it

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