Complete the sentences given below choosing the right connectors given in brackets.
1. Call me ……… you need money, (so that, in order that, in case)
2. I forgot ……….. I had to meet the Principal, (whether, that, if)
3. …….. he is ninety years old, he is in the pink of health, (when, since, though)
4. It is raining. Take an umbrella …………. you will get drenched, (or else, and, but)
5. They faced many hardships ……….. they are always cheerful, (although, nevertheless, otherwise)