将下列句子改为宾语从句。 1. He said. He has a big house. He said ______ ______ a big house. 2. Nobody knows.  Did anybody get there on time? Nobody knows ______ anybody ______ there on time. 3. She wondered. Where can she wait for No. 11 bus? She wondered ______ she ______  ______ for No. 11 bus. 4. Aunt Liu asked her son :'Do you find my purse?' Aunt Liu asked her son ______  ______  _______  _______ purse. 5. The teacher told the students :'The sun is bigger than the moon.' The teacher told the students ______ the sun ______ bigger than the moon. 6. Did you know?What’s your father doing ? Did you know _______ your father _______ d oing?