71.
Nobody in our group has a genius . . . . . . . . winning friends and in convincing people.

72.
You are very quick . . . . . . . . learn.

73.
The old man is walking . . . . . . . . a stick.

74.
My parents are going to China . . . . . . . . a holiday . . . . . . . . September.

75.
Our village lies . . . . . . . . two high mountains.

77.
In Spring, new leaves grew . . . . . . . . the trees.

78.
She sleeps late . . . . . . . . night.

79.
Could you explain that point . . . . . . . . me again?

80.
Some people are . . . . . . . . prison for crimes they have not committed.