问题
选择题
Writing has ________ much of my spare time, but it has given me a great deal of pleasure. [ ]
A. taken off
B. taken down
C. taken away
D. taken up
答案
答案：D
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Writing has ________ much of my spare time, but it has given me a great deal of pleasure. [ ]
A. taken off
B. taken down
C. taken away
D. taken up
答案：D
并锁结，致左下第一磨牙修复的[*]龈距减小，口腔内其他余留牙无异常。该患者选择左下第一磨牙铸造金属全冠修复时，首先应该考虑的方案是()