综合填空  阅读短文，用方框中所给词的正确形式填空，使短文通顺、连贯。方框中有两个为多余。

 Once upon a time, there lived a family of mice in the kitchen. One Saturday morning Father Mouse and his son felt hungry and ____  for food. ____ they were looking for food, they saw a big cat. Baby Mouse was very ____ and climbed onto his ____  back. Father Mouse shouted at the cat. “Woof, woof!” The cat ran away____  “Wow, dad, you’re great!”said Baby Mouse. “Well, son, that's why it's important to ____  a second language.”answered Father Mouse.

如图在三棱锥A-BCD中,E､F是棱AD上互异的两点,G､H是棱BC上互异的两点,由图可知

①AB与CD互为异面直线;②FH分别与DC､DB互为异面直线;
③EG与FH互为异面直线;④EG与AB互为异面直线.
其中叙述正确的是 (    )