单选题China has greatly _____ its influence in world affairs.
单选题In Britain people _____ four million tons of potatoes every year.
单选题The detective and his assistant have begun to _____ the mysterious murder.
单选题The work was almost complete when we received orders to _____ no further with it.
单选题At last she left her house and got to the airport, only _____ the plane flying away.
单选题Small, independent food stores simply can’t _____ with the big national chains.
单选题Difficulties and hardships have _____ the best qualities of the young geologist.
单选题This missile is designed so that once _____ nothing can be done to retrieve it.
单选题Don’t get your schedule _____; stay with us in this class.
单选题If the world is to remain peaceful the utmost effort must be made by nations to limit local _____.
单选题The price of beer _____ from 50 cents to $4 per liter during the summer season.
单选题Dozens of scientific groups all over the world have been _____ the goal of a practical and economic way to use sunlight to split water molecules.
单选题The principal didn’t seem to be _____ that there should have been so many disputes about the decision.
单选题He _____ the employees’ problems with sensitivity and direction.
单选题The scheme was _____ when it was discovered it would be very costly.
单选题We have to try every means to _____ the costs of the construction project.
单选题The thief tried to open the locked door but _____.
单选题We have been told that under no circumstances _____ the telephone in the office for personal affairs.
单选题Nowadays advertising costs are no longer in reasonable _____ to the total cost of the product.
单选题If the world is to remain peaceful the utmost effort must be made by nations to limit local _____.