Question

1. I do not know the day ....... the play will take place. ( that / when )

2. This is the time ......... you should work hard. (that /when )

Answer 1

Hey!!

1. I do not know the day when the play will take place.
2. This is the time that you should work hard..

Hope it helps ^_^

Answer 2

1)) I don't know the day when the play will take place
2) This is the time that you should work hard