摘要：14．It is said that sandstorms will become more as a result of global warming. A．frequent B．normal C．formal D．rare
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It is said that sandstorms will become more ________ as a result of global warming.
| A．frequent | B．normal | C．formal | D．rare |
It is said that sandstorms will become more ________ as a result of global warming.
| A．frequent | B．normal | C．formal | D．rare |
It is said that sandstorms will become more ________ as a result of global warming.
| A．frequent | B．normal | C．formal | D．rare |
It is said that sandstorms will become more ________ as a result of global warming.
| A．frequent | B．normal | C．formal | D．rare |