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It was a summer evening.I was sitting by the open window,reading a 26 Suddenly,I heard someone crying,“Help! Help!”It came from the tree at the other end of the yard.I 27 but it was too dark to see anything clearly.Almost_ 28 I heard the cry again.It 29 like a child,but I could not imagine what anybody would be doing in our backyard.

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单选题 1. decided to go out and have a 30 in the yard,

Just 31 someone was in trouble. I got a flashlight and

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And went out into the yard. 33 I heard the cry.

"Who's there?" I 34 as I walked across the yard

Toward the trees. But there was no_35. With the help

Of my flashlight, I_36

All over that end of the yard.

There was no

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Of anybody or anything. I came to

The conclusion that my _38_ was playing tricks on me,

Probably because of the story I was reading about

Strange beings on the moon.

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