Fill in the blanks with prepositions.
1.Many factors enter ___ the contract.
2.There is no exception ___ this rule.
3.I am faced ___ a serious problem.
4.She got ___ the shock in a short time.
5.The aeroplane flew ___ above the clouds.
6.He let ___ his friends.
7.He is devoid ___ common sense.
8.This police rounded ___ antisocial elements last night.