Trees not only bring nature to urban areas, but they also help clean the air by absorbing pollutants, ______ oxygen, ______ water, and grow food.
A. providing - saving
B. providing - save
C. to provide - to save
D. to provide - save
Giải bởi Vietjack
Ta thấy động từ “absorb” đang được để ở dạng “V-ing” nên các động từ theo sau cũng phải để ở dạng V-ing
=> cấu trúc song song
Động từ “grow” sở dĩ để ở “V-inf” vì theo cấu trúc song song với động từ “clean”
=> Trees not only bring nature to urban areas, but they also help clean the air by absorbing pollutants, providing oxygen, saving water, and grow food.
Tạm dịch: Cây cối không chỉ mang thiên nhiên đến các khu vực đô thị, mà còn giúp làm sạch không khí bằng cách hấp thụ các chất gây ô nhiễm, cung cấp oxy, tiết kiệm nước và trồng thực phẩm.
Đáp án cần chọn là: A
Robert Frost was not well known as a poet until he reached the forties.
Dinosaurs became ____ millions of years ago.
We should develop such ____ sources of energy as solar energy and nuclear energy.
Many organizations have been set up and funds have been raised.
Venus approaches the Earth more closely than any other planet is.
Laura said that when she ____ to school she had seen an accident.
Many rare____of animals are in danger of extinction.
Many national parks have been established to protect ____animals.
I’m always nervous when I travel by air.
All fossil fuels are ____ resources that cannot be replaced after use
Oil, coal and natural gas are ____ fuels made from decayed material.
Fewer people came to the meeting than we had expected.
Increased consumption will lead to faster ____ of our natural resources.
The earth is the only planet with a large number of oxygen in its atmosphere.
Nancy isn’t used to walking so far.
