A. to
Giải bởi Vietjack
Ta có : at speed: ở tốc độ bao nhiêu
Câu này thuộc về mệnh đề quan hệ: Giới từ + whom/which
Which ở đây thay thế cho speed
Và ta có giới từ at đi với speedOr the members could read books of all types, as long as the book is highly recommended by someone who thinks it would be (50)____ discussing
Almost all of it could be recycled, but very little of it is, though the plastic recycling (74) __________ is growing fast.
The plastics themselves are extremely energy-rich - they have a higher calorific value than coal and one (75) __________ of "recovery" strongly favoured by the plastic manufacturers is the conversion of waste plastic into a fuel.
But that’s the problem; the whole ___(40)_____ of the test is that they’re against the clock.
