慢性胃炎主要是由幽门螺杆菌感染所引起的胃黏膜炎症，多数是以胃底为主的全胃炎。()
参考答案：错
Mike his wedding for a whole month and hopefully everything will be ready tomorrow.
A．prepares
B．is preparing
C．had prepared
D．has been preparing
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