Give the correct form of the verbs in brackets: It was quite surprise (see).....him again

Give the correct form of the verbs in brackets 
1. It was quite surprise ( see)....... him again 
2. I suddenly remembered that I ( forgforget)..... my key 
3.Tommy admitted ( thorw)..... the rock through the window 
4. There are too many people for me ( talk)...... to all them 
5. By the time Sheila ( get)........back, Chris had gone home