Select the correct option of time expression?
Select the correct option of time expression. 6. Paul and Sheila always walk their dog _______(after, until, before) going to bed. 7. I always brush my teeth________(after, until, at) meals. 8. You must wait_______ (until, before, at) lunch is ready, then you can go out. 9. When is your birthday? It’s______( on, in, at) June, _____(on, at, then) the 6th.