问题
选择题
—They are too busy to help us finish the work.
—Let's do it ________. [ ]
A. herself
B. myself
C. ourselves
D. itself
答案
答案：C
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—They are too busy to help us finish the work.
—Let's do it ________. [ ]
A. herself
B. myself
C. ourselves
D. itself
答案：C
，龋深，叩痛（+），扪痛（-），
牙冠完整，叩痛（-），
残根。