83.Li Ming can find many new things that we don’t know on the Web, and he’d like to s          them with all of us.

82.The Red Army men walked a long way and their shoes were all w           out.

81.Now computers are w             used in our office.

80.The plane flew higher and higher. At last it d          in the sky.

79.Some scientists said,“If you often go running alone in the morning, it would become b         

for your brain, you’d better run with your friends.”

78.When I told them the funny jokes, they couldn’t help I          .

77.The Yellow River, the world’s f         longest river, has watered some of the oldest farms on Earth.

76.I didn’t have my breakfast this morning. Now I feel so h          that I want to do nothing.

75.Yesterday the teacher told us the earth r          around the sun.

74.India has the second I         population in the world.