I like getting up very early in summer. The morning air is so good ______.
We can never expect _____ bluer sky unless we create _____ less polluted world.
--- My husband and I really liked that car, but we didn’t have enough money at that time.--- Or you _____ it. What a pity!
--- Do you mind if I leave my car here for a minute?--- ______.A. Great! I love carsB. Of course not. It’s not allowed hereB. No, you can’t D. I’d rather you didn’t, actually
If he takes on this work, he will have no choice but _____ an even greater challenge .
A lot of exercise outdoors could _____ positive energy which helps you to reduce stress.