Air pollution is caused by various pollutants produced by human activities.
Giải thích: Ta dùng đại từ quan hệ which thay thế cho danh từ pollutants, được mệnh đề đầy đủ là which are produced by human activities. Mệnh đề mang nghĩa bị động nên ta có thể rút gọn lại thành produced by human activities.
Dịch nghĩa: Không khí bị ô nhiễm là do các chất gây ô nhiễm tạo ra bởi các hoạt động của con người.
The wealthy man________by three masked men has been safely rescued.
The town of Keswick, ________lies at the heart of the Lake District, is the perfect place for holiday.
We stayed at the Park Hotel, ________a friend of ours had recommended.
The time________the first snow fell on the Sahara Desert was February 18,1979.
Circle one letter to indicate the option that best completes each of the following sentences
Despacito, ________over four billion times on YouTube, is one of the most favourite songs among teenagers worldwide.
Match each clause in column A with one m column B to make a meaningful sentence.
A |
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B |
1. The police has caught the man |
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a. where I was born. |
2. The French language is different from the Latin language |
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b. why you are looking upset? |
3. Can you tell me the reason |
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c. which he had for making money have failed. |
4. All the plans |
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d. where you put the keys. |
5. I know a boy |
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e. who committed the theft last night. |
6. This is the village |
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f. was my travelling companion. |
7. Show me the place |
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g. which was once spoken throughout Europe. |
8. Paul, who was an old gentleman, |
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h. where the shopkeeper keeps his money. |
9. I don‘t like to spend time with people |
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i. whose mother works as a nurse in the local hospital. |
10. This is the wooden case |
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j. who lose their temper easily. |
The reason________so many people spend lots of their free time playing games is that it is fun