Choose the correct answers A, B, C, or D to complete the following sentences.
1. If you want to stay healthy, you should have a balanced diet and _________ regularly.
A. work out B. take out
C. speak out D. stand out
2. For a healthy diet, you should ____________ sugar and eat more vegetables.
A. take on B. cut down on
C. go on D. cut with
3. Many experts believe that good ___________ transport will solve traffic problems in big cities.
A. individual B. private
C. public D. national
4. People feel safe in this neighbourhood because ____________ are installed everywhere.
A. smart cities B. smartphones
C. smart cars D. smart sensors
5. People of different generations often come into ____________ with one another.
A. belief B. conflict
C. agreement D. support
6. My brother is a true ___________. He grew up with technology, and started using a computer at an early age.
A. curious boy B. critical thinker
C. digital native D. book lover
