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问题

4. There _________a mouse in our house


4. There _________a mouse in our house. Look,our food is destroyed.

  • A may have
  • B could has
  • C can have
  • D must be
参考答案
参考解析:

4.D【解析】There be结构是固定的,一般不可改变其固有形式。

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