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229. I decided ___________ at this hotel for the next five days.
A. to stay B. staying C. stay D. stayed
230. Children should be_______to realize their full potential.
A. encouraged B. courageous C. encouraging D. discouraged
231. Before the invention of vaccines, people _________ from many fatal diseases without treatment.
A. has suffered B. had suffered C. suffered D. suffer
232. Andy: “Thank you very much for your help.”
Maya: “_______”
A. You're welcome. B. How nice of you to say so!
C. Yes. That's alright. D. Thank you very much too.
233. Since the computer ___________ , it has made considerable changes to our daily life.
A. is invented B. has been invented C. was being invented D. was invented
234. What should we do to reduce the level of environmental_______?
A. pollution B. pollute C. polluted D. polluting
235. Nowadays it is not easy_______a well-paid job.
A. finding B. to find C. found D. find
236. Max: “Could you do me a favour, please?”
Mike: “_______”
A. Do you really need help? B. Sure. No problem.
C. No, thank you. D. Yes. and when's that?
237. It is_______to translate each lesson into your language. This is not a good way to study English.
A. productivity B. productive C. production D. unproductive
238. We don’t know where ________ our car in the crowded street.
A. park B. to parking C. to park D. parked
239. I think Bitcoin _____________ as an official currency in the future.
A. will be accepted B. is accepted C. will accept D. has been accepted
240. Trang: “I passed the driving test yesterday."
Susan: “________________”
A. You’re welcome. B. Congratulations C. With pleasure. D. Have a good time.