It's __________ universal problem for teenagers to waste time on video games.
Kite flying has become________ outdoor activity for amusement and art.
The tour to the museum gave people ________unforgettable impression last week.
Those brave soldiers feel it ______ honour as well as a duty to serve their country.
Attending __________ university can open doors to a number of educational chances.
As _________ individual, every student has their own unique learning styles.
On the National Day, Tian'anmen Square was decorated __________fresh flowers and national flags.
Teenagers should be responsible ________ their actions.
Though he is busy, the freshman signed up ______ two extra-curricular activities.
The captain of the ship is responsible __________ the safety of all the passengers on board.
Xie Lei shared her experience to help more exchange students adapt _________ their life in China.
As a foreign student, Tom found __________difficult to write in Chinese.
Please keep ________in mind that honesty is the best policy when we communicate.
I can speak fluent English, which makes ______ easy for me to chat with foreign friends.
Coach Miller makes __________ a rule that all players must wear their team shirts during practice.
Dangerous conditions and broken roads made _________ difficult for soldiers to deliver supplies.
Nowadays many people are addicted to _________(use) their smartphones.
My sister is fond of___________(volunteer) in her spare time.