Câu hỏi:

Choose the letter A, B, C or D to complete the sentences

Science is used in all corners of the world for the __________ of human

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The teacher __________ me that I had better devote more time to doing scientific researches.

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There are a lot of benefits to do __________ researches.

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We are trying to __________ the problem with the steam engin

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Artificial intelligence (AI) is an area of __________ concerned with making computers copy intelligent human behaviour.

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The first experiment was __________, so we need to do another one.

Choose the letter A, B, C or D to complete the sentences

I want to go to the supermarket to buy some __________ bulbs.