题目内容：
请在（60）处填写正确答案。
A．ceased B．wanted
C．proved
D．failed
参考答案：
答案解析：
单选题：请在（60）处填写正确答案。
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B．wanted
C．proved
D．failed
B．wanted
C．proved
D．failed
请在（58）处填写正确答案。
请在（58）处填写正确答案。A．introduced B．controlled C．prevented D．reported
During a hurricane one should stay away from________________
During a hurricane one should stay away from___________________.A．inland floodin
Things have changed a lot since I was a chilD．
Things have changed a lot since I was a chilD．A．gradually B．suddenly C．frequent
Going without sleep is not dangerous for white rats.
Going without sleep is not dangerous for white rats.A．Right B．Wrong C．Not Mentio
The book took ten years thorough research.
The book took ten years thorough research.A．careful B．basic C．social D．majo