One April Fool’s Day , many believed that aliens were moving across the USA . __________ people even left their homes .

It is one of the funniest things ______ on the Internetso far this year

If your house catches fire, you should call _____________ for help.

How long have you________?— It is about ten years since we________[ ]

Though it was dark, my father ________ working in the field by the light of moon. [ ]