It’s hard to tell real Jingdezhen vases, and it’s a little more difficult for the untrained shopper to______.
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?
He won’t wear a hat _____.