I think you should go back to your plan, which is much more practical than the present one.
Make marks _______ you have questions.
---Is there any possibility of _______ the match? ---I’m not sure.
--- Can I help you? ---I’d like to buy a present for my father’s birthday, _______ at a proper price but of great use.
Between the two lectures _____ a break, _______ the audience can buy ice cream.
Have the villagers already known ________ we’ll do is to rebuild the bridge?