Mr. Black has been teaching English in a middle school _____ he came to China.
He has a great interest in tennis and ______ it twice a week over the past year.
There were restrictions _____ the weight of luggage. As a result we decided to travel _____.
These citizenship ceremonies on Australian Day are intended to encourage ____, respect and promote friendship among people of different cultural and social backgrounds.
Such plants, particularly___ to collectors, motivated them to explore on a large scale.
---Do you really think what he said was practical? --- I don’t entirely agree, but ________.