单选题 Dave ______ his friends by leaving a well-paid job to travel around the world.

单选题 The employees in this company work an eight-hour ______.

单选题 They have made their fortunes from industry and ______.

单选题 The professor came to the classroom with a ______ of newspapers under his arm.

单选题 I like the ______ French style of living. It is so romantic.

单选题 My neighbours are a friendly ______ of people.

单选题 The little girl’s ______ for learning languages astonished me.

单选题 How many countries will be ______ in the Olympic Games?