Now one of the most serious problems many people are worried about _____ on the lack of adequate housing
space.

She spoke very confidently because she wanted to make a great _____ on her employer.

When you are confused about some word in reading, you can _____ the dictionary.

In his impressive manly voice, my father always _______the importance of setting proper goals in
different stages of life.

Though difficult, I ________ him find a job, which made him very pleased.     

It is normal for kids to feel anxious and not to be able to ______ their studies just before a quiz or
an examination. Parents should try their best to help them relax within their power.     

Order me a pot of tea; I'm _______ thirst.    

The acid rain is one of the chain reactions that ______ by environmental pollution .    

The single invention of the computer _______ many new professions.