Maria has to baby-sit. That’s______ she can't come with us.
___ to go shopping with me?
---Is there ___ you don't understand?---I think ___ is quite clear.Thank you.
The dishes my mother cooked ____. Everyone at the party liked it.
People in China used to keep records by putting a number of stones together, ___?
--Can you tell me anything about the fire ___ last night?----I’m afraid, ____.