We are looking for cheap, clean and _______ sources of energy. These types of energy won't cause pollution.
A. effectiveness
B. effect
C. effective
Giải bởi Vietjack
Đáp án: C
Giải thích: trước danh từ cần 1 tính từ -> effective: hiệu quả
Dịch: Chúng tôi đang tìm kiếm các nguồn năng lượng rẻ, sạch và hiệu quả. Những loại năng lượng này sẽ không gây ô nhiễm.
What happened in class yesterday is being investigated. But we haven’t figured out.
Tìm và sửa lỗi sai:
I do well at most of the subjects at school, but I don’t really like P.E. and geography.
It (be) ____ beautiful yesterday when we (go) _____for a walk in the park. The sun (shine) _______. The birds (sing) ______.
The school is performing well, but we recognize the need for further ________. (improve)
The beaches were absolutely ____. Sometimes we were the only two people there.
Students can join one of our _____________ to clean the beaches all around Vietnam. (cleanup)
The motorcyclist rounded the corner at a quite unbelievable speed.
=> The speed ________________________________________________. (which)
Remember to turn the tap off when you are brushing your teeth.
=> Don’t forget ____________________________________________.So many students have difficulty _____ a good job after graduation.
Tìm và sửa lỗi sai:
It is saying that the Temple of Literature was built in the 11th century.
We didn't go on picnic because it was raining heavily.
=> It was ________________________________________.
