Researchers are developing low-cost devices. These devices can detect water pollutants in rivers and lakes.
A. Researchers are developing low-cost devices that can detect water pollutants in rivers and lakes.
B. Researchers are developing low-cost devices to detect water pollutants in rivers and lakes.
C. Researchers are developing low-cost devices so that they can detect water pollutants in rivers and lakes.
Đáp án: A
Giải thích:
- Đại từ quan hệ “that” thay thế cho danh từ chỉ vật “devices” trước nó
- Đáp án B, C sai nghĩa
- Đáp án D sử dụng đại từ quan hệ “who” sai do “who” thay thế cho danh từ chỉ người
Dịch: Các nhà nghiên cứu đang phát triển các thiết bị giá rẻ có thể phát hiện các chất gây ô nhiễm nước ở sông hồ.
I’ve made an appointment at the dentist’s. I ________ her on Tuesday.
“Would you like to go to the movies with us tonight?” They said to me.
=> They invited ______________________________________________.
“Are there some oranges in the fridge?” She asked her mom
=> She asked her mom ___________________________________.
It is believed in Brazil that placing a small cup or dish of salt in the corner of your house will ________you good luck.
Without conservation, human beings ________ survive for a long time.
Do you want to get up by yourself, or would you like me wake up you?
“How much does this dress cost?” Lan asked Lien.
=> __________________________________________.
I'm very sad that I wasn't accepted in that group.
=> I'm very sad not ____________________________.
The word “distinctive” in paragraph 4 is closest in meaning to ____.