皮皮学，免费搜题
登录
搜题
【判断题】
A sentence must not only be acceptable, but also have appropriate structure.()A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Recently the newspapers have reported several __________ of the coal mines happening in different provinces in China and the government has taken effective measures to stop such things.
A.
accidents
B.
events
C.
happenings
D.
incidents
【简答题】Several newspapers are on trail of some corrupt politicians.
【简答题】Peter _________ for several newspapers.