Fill each gap with a suitable word from the list below

Fill each gap with a suitable word from the list below: usually, scarcely, never, sometimes, ever.
1. I cuold ......believe it when she said she wanted to marry me.
2. .......... it's best not to say anything
3. I ......... just have a sandwich for lunch
4. It's......... too late to start eating a heslthy diet
5. If .......... you're in cambridge, do give me a ringw: usually, scarcely, never, sometimes, ever.I ...