判断下列命题正确的是()平行四边形两对边所在的向量一定是相等向量
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请根据故事3判断 Story 3 If only she’d looked up! A love-struck man paid hundreds of dollars to hire an airplane trailing the words “Will you marry me ” behind it. He took his girlfriend for a romantic picnic on the beach and sat down at a spot where he knew the airplane would pass overhead. Sadly for him, his girlfriend didn’t see his expensive display. Why She was in the middle of sending a long text and didn’t look up. The man hired an airplane because he wanted to ask his girlfriend to marry him. ()
-When will the movie begin -He wants to know _____ the movie will begin.
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请根据故事3判断 Story 3 If only she’d looked up! A love-struck man paid hundreds of dollars to hire an airplane trailing the words “Will you marry me ” behind it. He took his girlfriend for a romantic picnic on the beach and sat down at a spot where he knew the airplane would pass overhead. Sadly for him, his girlfriend didn’t see his expensive display. Why She was in the middle of sending a long text and didn’t look up. The girl didn’t see the airplane because the weather was very cloudy. ()