--Have the police found the parents of the baby found by the road? ---Not yet. His identity ______.
In front of the house _____ with a history of 100 years.
Since most Antarctic rocks are dark in color, they stood out _____ the white background and are easy to identify and collect.
No sooner had I come to the office _____ the boss told me that I was fired.
Not only _____ a promise, but also _____ it.
Have you adapted _____ in a different country?