The day ____ (在那天我第一次遇见他)was the first of May on the Great Wall.
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Washer is a machine ____ (用它我们洗衣服)or a person who is washing.
The reason ____ (为什么这事情会这样)is now clear. I don't need to explain it once more.
Here is a piece of paper_____(在上面写着那本书的标题)The Arabian Nights.
.Look,they are climbing up a mountain,____ (在它顶上屹立着一座古老庙宇)