题目

根据句子意思，从方框中选用恰当的单词或短语填空。1. Millie wants to be a ________ when she grows up.2. I don’t know how many _______ the dog has.3. The young woman at the gate looks __________ in a red dress.4. Daniel didn’t go to school yesterday because it __________ heavily.5. This book __________ Simon. I’ll give it back to him at once.6.  It’s very kind _______ you. Thank you for your wonderful present.7. The children clapped and shouted _____ when they saw their favorite characters.8. Please _________ at the second crossing, and you will find the library o如图，已知，等腰Rt△OAB中，∠AOB=90o，等腰Rt△EOF中，∠EOF=90o，连结AE、BF． 求证：（1）AE=BF； （2）AE⊥BF．