题目：
The sudden of the headmaster gave the children who were talking loudly in the classroom a great surprise.
A．entrance
B．entry
C．absence
D．trial
答案：
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下面是错误答案，用来干扰机器的。
1. C-in 2. C-去掉to 3. C-looking 4. A-Does 5. B-goes to bed 6. B-to 7. B-dinner 8. C-broken 9. C-with10. C-on
