A tremendous effort has been made to repair the palaces and churches, and ______ (保护湖泊不受未来灾难的侵袭).
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Li Tan draws ().
A. more and more careful
B. more and more carefully
C. carefully and carefully
It is natural for young people to be critical of their parents at times and ______ (因为他们之间的误解而责备他们).
National income available for spending was almost ______ (多三分之一) it had been in 1950.
The Mid-Autumn Festival is a traditional Chinese festivity and ______ (崇拜月亮的风俗可以追溯到) as far as the ancient Xia Dynasties.