After studying in Athens and Rome, Hypatia returned to Alexandria (3)_______ she began teaching  mathematics.

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She failed the University entrance exam _______ her grades were bad.

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Each form of mass media has had an important ________on society.

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Students use the library's computers to get access___________ the Internet.

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It's important that the government ____________ more investment in rural areas.

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I __________ to the stadium yesterday afternoon to watch the football match between Song Lam Nghe An and Nam Dinh.

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Martin_______ three days doing research on social media before his teacher changed the topic.

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The pie chart shows the preferred forms of communication recorded in a survey______ in Intel Secondary School in August 2014.