10. Maria warned her younger sister ________ too much caffeine. A. to drink B. drinking C. against not drinking D. not to drink
11. Lona is exhausted these days. She ________ too hard recently. A. has worked B. worked C. has been working D. works
12. Let's begin the meeting,_________?
A. don't we B. do us C. won't we D. shall we
13. Animals ___________in a zoo generally adjust to captivity better than those that are captured in the wild.
A. who were born B. born C. that born D. being born
14. ________ a hotel, they looked for somewhere to have dinner.
A. Having found B. To find C. Found D. Finding
15. If we have solar panels on our roofs, we'll be able to__________ our own electricity.
A. afford B. generate C. manufacture D. light
16. Many city_________, especially those in developing countries, still live in poverty.
A. people B. migrants C. immigrants D. dwellers
17. Most of the students in our country are interested in__________ higher education to get bachelor's degrees.
A. following B. pursuing C. trying D. interrupting
18. People who live in towns and cities live in an____________ environment.
A. remote B. urban C. suburban D. rural