6. Call for help ____ danger.

5. ___ I forget , please remind me of my promise.

4. ___ fire, ring the alarm bell.

3. ___ a chemical change, some new substance is produced.

2. You shouldn’t carry the pan of burning oil out of the kitchen. _____ you might get burnt.

1. ____ you must not tell a lie.

10. Please ____ the grass.

　 M. in case, in case of, in the case of , in ay case, in that case

9. He ___ the subject throughout our conversation.

8. How did the young wife ___ her husband ___ alcohol all last year?

7. Danger! _________.