题目内容
Fill in the blanks with the verbs in their proper forms(用所给单词的适当形式填空,词数不限):
He pretended ______(look) for something when the teacher came up to him.
答案:to be looking
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题目内容
Fill in the blanks with the verbs in their proper forms(用所给单词的适当形式填空,词数不限):
He pretended ______(look) for something when the teacher came up to him.