相关题目
Once they _______ their mistake, they stopped the machine and re-checked it.
Jim knows about birds well. He can_______ the songs of most birds.
Dogs bark at strangers because they can _______ the smell of their masters.
After the devastating earthquake, the small town has undergone such a tremendous transformation that I can hardly_______ it.
I had such a bad cough that the doctor _______ that I take a few days off.
To conserve natural resources, we have to _______ all reusable waste materials.
Oil is _______ to remove naturally occuring impurities.
Little Johnny did something bad and his mommy sent him to his own room to _______ on his misbehavior.
The working conditions in the factory have been greatly _______ . Now it is very comfortable to work there.
Travelers who stay overnight have to _______ at the hotel＇s front desk, which means they have to check in at the hotel.
