Exercise 13. Underline the correct form

1. When the police stopped / were stopping Smith's car for a routine check, they realized that he was the man who robbed / had robbed the bank.

2. I woke up in the middle of the night and turned on / was turning on the light. Someone or something climbed / was climbing in my window!

3. Unfortunately Jan arrived / was arriving at the station at 3.25, and found that she missed / had missed the train.

4. The doctors tried / had been trying their best, but while they were performing the operation, the patient died / was dying.

5. We'd been watching the film for half an hour before we realized that we were making / had made a terrible mistake. We went / had gone into the wrong cinema!

6. On the morning of the accident, Mr Davis just finished / had just finished a night shift at a local factory, and didn't have / hadn't had any sleep for 24 hours.

7. I'm sorry I didn't answer / wasn’t answering the phone earlier, but I was painting / had been painting the ceiling in my bedroom.

8. The office Marlowe was visiting was on the 15^th floor, and unfortunately the lift wasn’t working/hadn't been working, so by the time he arrived at the top of the stairs, he was / had been out of breath.

9. On Christmas morning when they woke up / were waking up, the children looked eagerly out of the window. It snowed / had been snowing, and the garden was covered in a thick white carpet.

10. After the two film stars landed / were landing at the small airport, they left quickly in a van that was waiting / had been waiting for them since the early morning.