Choose the correct options to complete the sentences

1. This dress is too small for Jane. I
   [think|don't think] she should buy it.
2. We don't need two computers at home. I
   [think|don't think] we should sell one.
3. Jack is too tired. I
   [think|don't think] he shouldn't work this evening.
4. Their children are too small. I
   [think|don't think] they should be left alone at home.
5. It's been raining all day. I
   [think|don't think] we should stay at home instead of going somewhere.