The ice cream vendor closed his shop __________ he served the last customer.

Annie is boiling some water. __________, she will make some tea for her parents.

My grandfather always goes to his favourite breakfast stall _____________ before he meets his friends.

Make sure you check the expiry date of the milk __________ before you buy it.

After years of hard work, ___________ my brother is graduating from university.

First, look to your left and right, and __________, you can safely cross the road.