1 . 短语填空

in ruins; in shock; on hand; dig out; in the open air; sweep away come to an end; first aid kit; be trapped in; as usual

1. Jogging, walking and cycling ________ are good ways to make you energetic.
2. Everyone was in shock, thinking the world must be ________.
3. He wants to see me now, but I have so much work ________ that I would rather he came tomorrow than today.
4. Their houses were ________ by the flood, so they had to build new ones.
5. It is no wonder that the whole building is now ________; it caught so big a fire last night.