Complete the following sentences with should/shouldn't. 1. We ________ leave expensive things in the car. 2. You ________ always have your bag in front of you when travelling on the train. There are a lot of thieves about. 3. Now you have an alarm. You ________ be scared of being robbed again. 4. All shops ________ have CCTV cameras to protect them from shoplifters.

Okay, let's complete the sentences using "should" or "shouldn't". Here are the completed sentences: 1. We shouldn't leave expensive things in the car. 2. You should always have your bag in front of you when travelling on the train. There are a lot of thieves about. 3. Now you have an alarm. You shouldn't be scared of being robbed again. 4. All shops should have CCTV cameras to protect them from shoplifters.