[填空题]My dog, Hero, isn’t afraid of most things.
But he is afraid of the vacuum cleaner(真空吸尘器). He
always hide himself when Mum cleans the house. 81 ______
A few weeks ago, Mum took my new baby sister 82 ______
to home. Her name is Barbie. She has a room 83 ______
of her own. Hero seems to know this. 84 ______
Last Saturday, Mum began to clean the
living-room, there Hero was. Barbie was sleeping 85 ______
in her room. Hero jumped out from under
a chair and ran toward Barbie’s room. He sat down at
the door. Mum went on the work. She came closer and closer 86 ______
Hero. But he didn’t move at all. 87 ______
Then Mum ran the cleaner right up to her 88 ______
front foot. Hero shook all