Conjunction - because or because of

Example
I like basket ball because I am interested in it.
I like basket ball because of my interest in it.

1. We like John _________ he is polite.
We like John ___________ his politeness.

2. We will not go swimming __________ it is raining.
We will not go swimming ___________ the rain.

3. The English lesson is boring ___________ the teacher speaks too slow.
The English lesson is boring _______________ the teacher's slow speech.