ПОМОГИТЕ ПОЖАЛУЙСТА С АНГЛ.ЯЗЫКОМFill in the gaps with the correct form

Task1
1.Was, fell , was watching
2.Was pouring down, was whistling,  striked 
3.Used to be ,had writen
4.Had been publishing 
5.Had published
Task2
1.I believe that you are certainly right
2.Probably it is the worst restaurant in the world
3.The panda can be frequently seen in the highlands of China
4.They are mostly known as vegetarians
5.We mainly take the car to work