Is the doctor your sonHas he graduated from university—Yes，he in Nanjing Medical University for 5 years.

_____is it from your home to the bus stop —- It’s about 4 kilometers.

ted Joe and Linda to dinner, but______ of themcame

In order to support the big family, he worked so hard that___________ he made himself ill

66. Is＿possible to fly to the moon in a spaceship