Choose the best answer.

A new shopping mall ______ in the place of the old market last year.

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Some parents are worried about their children’s ______ when they go online too much but rarely communicate with their parents face-to-face.

Choose the word CLOSEST in meaning to the underlined part.

Some people don’t feel secure when living in big cities with high crime rates.

Choose the best answer.

They ______ in the suburbs of the city since they ______ their house in the center in 2019.

Choose the best answer.

He ______ his report on the city planning, so he can have free time and relax now.

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______ have enough fresh air to breathe, people should plant more trees around the places where they live.

Choose the best answer.

Smoke detectors should be installed in high buildings ______ warn people about fires.

Choose the best answer.

How much money ______ they ______ upgrading the infrastructure of the city so far?