Rachel Carson first specialised in _________________.

Because of their work, two of Kailash Satyarthi's _________________.

Kailash Satyarthi first saw the problems of child slavery when he was ______________.

Mould and mildew can cause health problems. We need to remove any growth regularly. (compound sentences)

=> ...…………………………………………………………………………………………………………

We reuse bags, old clothes and scrap paper at home. We can reduce waste. (so that)

=> ...…………………………………………………………………………………………………………

The light had gone out before we got out of the office.

=> When.................................................................................................………………………………

Listen to the speakers talking about their heroes and choose the correct option to complete the sentence.

Mary Anning didn't write a famous book because _________________.

B. she did not have access to a formal education

burning/ fossil fuels/ emit/ harmful gases/ people/ still/ use/ heating/ cooking. (but)

=> ……………………………………………………………………………………………........................

green technology/ use renewable resources/ create/ eco-friendly/ products. (which)

=> ……………………………………………………………………………………………........................

Which of the following is NOT given as an advantage of using biological agents over chemical herbicides?

According to the passage, biological agents usually consist of ____________.

B. insects and microorganisms

What is the passage primarily about?

A. report

A. bringing

She has a remarkable ability to _________ with a wide variety of people.

The lung cancer mortality rate _________ six-fold in males when mass media _________ covering the health risks of smoking.

My grandfather was _________ up in France, so he could speak French very well.

Minh apologized _________ his teacher for the late submission of his essay.

A. bronchitis

Choose the word that has the main stress placed differently from that of the others.

Pick out the word whose underlined part is pronounced differently from that of the other words.

A. attire

Pick out the word whose underlined part is pronounced differently from that of the other words.

According to Shamshad Akhtar, what will be needed to feed the additional 2.3 billion people on the planet?

According to the report, what is the proportion of people who are still chronically undernourished?

According to the United Nations, where will about 80% of the growing urban population be found?

What does the United Nations say about the effect on limited resources in many countries?

How many people are expected to be living in cities by 2050?