根据句意选择合适的短语填空,使句子完整、通顺 twice a year each other spend...doing give...as a treat have a long holiday 1. We always __________ in summer. 2. My parents often __________ my friends some candies __________. 3. We are classmates. We should help __________. 4. I like going on a trip __________. 5. They usually __________ half an hour __________ after school activities every afternoon.