仿照例句，补全句子。例：This is my teacher. She is very tall.
1．
This is ________ ________. She is very ________.
2．
This ________ my ________. He is________ ________.
3．
This is________ ________. She is ________ ________.
4．
This ________ ________ ________. He ________ ________ ________.
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