C- Write the correct form of the verbs! 1- I _______________(study) History when my friends__________________ (come) around. 2- While Susan_______________(walk) in the street, she ____________(meet) an old friend. 3- Her baby_________________ (wake) up while she __________________(clean) the house. 4- He __________________ (work) when her wife _______________________(phone) him. 5- The students ______________(have) a test when the storm ____________(start). 6- We ______________(see) a fallin irg star while we ________________(go) fishing in the lake. 7- Susan______________(fall) down while she ___________________(climb) the ladder. 8- I ___________________(walk) along the road when I_____________(see) you with her. 9- Tom _______________(burn)his hand while he _________________(cook)the dinner.