there are some umbrellas bedind the door 对画线提问 some bikes

there are some umbrellas bedind the door 对画线提问 some bikes
there are some umbrellas bedind the door 对画线提问 some bikes

there are some umbrellas bedind the door 对画线提问 some bikes
What's behind the door?记得要用单数 what's
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你题目有错没的啊，一个是some umbrellas一个是 some bikes