Questões de Inglês - Preposições | Prepositions para Concurso

 Look at the sentence below. The word “at” refers to a specific type of a preposition. Which one? Choose the CORRECT answer. “Helen is studying law at university.” 

- I realize that my friend Norma has a terrible problem, she lives ______ 307 Paradise Boulevard but her imaginary husband lives _______ cyberspace

Read the abstract taken from an article written by Professor Dr. Reinildes Dias and answer question.     INTEGRAÇÃO DAS TIC AO ENSINO E APRENDIZAGEM DE LÍNGUA ESTRANGEIRA E O APRENDER COLABORATIVO ONLINE    ABSTRACT: My main focus is to discuss and reflect ____ the importance of the integration of information and communication technology resources with the aim of creating online learning communities to extend time and give more opportunities for interactions among participants in the target language. These online communities can be seen as collaborative networks for the joint construction of knowledge about the foreign language. Examples of both web and web 2.0 resources as well as of the application of principles related to DeskTop publishing are also provided throughout the article. Theoretical and practical aspects based on the collaborative learning approach give support to my work, also including vygostskian learning principles. 
(http://www.reinildes.com.br/incorporacaodasticsmoara2008.pdf. Acessed on March 2nd, 2013.)     The preposition that correctly completes the sentence: “My main focus is to discuss and reflect ____ the importance of the integration of information” is 

Choose the alternative that presents the correct words to complete the missing ones in the text.

“Should I go down this street all the way?”

“No, turn _________ your right after that big tree.”