The underlined word in the sentence “Tooth decay is caused by acids.” expresses the following type of relationship:

№ Fill in the blank with a suitable word or phrase: It was impossible to sleep __________________ the mosquitoes. № The topic “changes brought by computers” is not supported by the following idea: № Identify the markers of comparison / contrast: This task resembles the work I have done before. № Choose the correct preposition: the disadvantages __________________ renting a flat. № Choose the correct preposition: the changes __________________ our way of life. № Fill in the gap with a suitable word: Students at universities often have a __________________ of places to live.