请教几个关于非谓语动词的题目
1.____(take) by surprise,the enemy surrendered.
2.____(throw) to the floor,the boy regained his footing a few minutes later.
3.We have made a point of not ____(attack) unless ____ (attack).
4.On ____ (step) out of the station my brother found himself face to face with an old friend of his.
5.I can't give my mind to ___ (read) with the noise ____ (go) on.
6.I meant ___ (tell) you about it,but I forgot ___ (do) so.
1.Taken 2.Thrown 3.attacking;attacked 4.stepping 5.reading;going 6.to have told;to do
疑问：
1.什么叫"taken by surprised"?
2.我看不懂
3.为什么第一空不填 to attack
4.（是不是“刚”,“一...就”?）怎么个用法?
5.give my mind to 中的to是不是介词?
6.为什么填"to have told"?不懂
第5题：还有give my mind to怎么翻译？