Which is right? Complete the sentences.
1. Her money (is / are) in the bookcase. (Don’t / Not to) take (it / them).
2. This / These) money (doesn’t / don’t) belong to (they / them / their).
3. I followed your (advice / advices) and (it / they) helped me.
4. My mother (speaks / is speaking) (good / well) English.