单选题 Most people use their ______.

单选题 The scientists want to find two ______.

单选题 Despite well-developed plot the ______ movie could not hold our attention.

单选题 Many children want to become ______ so that they can do everything freely.

单选题 The crew in the plane ______ large.

单选题 These books can give you ______ you need.

单选题 Why are your ______ so dirty?

单选题 Numerous ______ from the county want to find jobs in this modern city.

单选题 At present, AIDS ______ still an incurable disease.