单选题 Nearly every time I picked up a newspaper, I found a reference ______ the use of industrial gases.

单选题 Does everyone on earth have an equal right ______ an equal share of its resources?

单选题 Many a man ______ satisfied ______ life for the cause of the revolution.

单选题 The population of China is larger than ______ of Japan.

单选题 Every man ,woman, and child _____ better healthier care.

单选题 The police put the blame ______ the accident ______ the driver of the truck.

单选题 The project can’t be finished ______ the organization gets more money from the federal government.

单选题 When his alarm went off this morning, he shut it off, rolled over, and slept for ______ twenty minutes.

单选题 The men will have to wait all day ______ the doctor works faster.