ESL001 Prepositions and conjunctions

Prepositions is main in english sentences:in,at,above,to,under,in spice of,on,into,of.There are time,place prepostions.Prepositions join words one another in sentences.
Conjunctions join sentences one another:and,but,therefore,indeed and etc.

1)Sara cooked in the kitchen and quarreled with her husband there.
2)She is beautiful but stupid.
3) At work I always feel sleepy and tired.
4) My boyfriend said that doesn’t love me even though he married me yesterday.
5) The dish looks delicious but when I tasted, it was disgusting.