Join the sentences using as,when,while.1)kim was looking out of the window.she saw mike.2)cathy was washing the dishes.she dropped the glass.3)the children were playing outside.the burglar was breaking into the house.4)the policy surrounded the robbers.they were leaving the bank.

1) when 2) when 3) while 4) while

1) Kim was looking out of the window when she saw Mike.
Explanation: "When" is used to show that one action happened immediately after another action. In this case, Kim saw Mike immediately after looking out of the window.

2) Cathy was washing the dishes when she dropped the glass.
Explanation: "When" is used to show that one action happened immediately after another action. In this case, Cathy dropped the glass immediately after washing the dishes.

3) The children were playing outside while the burglar was breaking into the house.
Explanation: "While" is used to show two actions happening at the same time. In this case, the children were playing outside at the same time the burglar was breaking into the house.

4) The police surrounded the robbers as they were leaving the bank.
Explanation: "As" is used to show that two actions happened at the same time or very close together. In this case, the police surrounded the robbers at the same time they were leaving the bank.