— Be careful with homework,Simon!— Of course! I will write ________ and try not to make any mistakes.
These are their ____________. They are very nice.
This is ____________ room. It’s very tidy.
-- Is this eraser __________? --No, it’s not ________. It’s Jim’s.
--Thank you ___________ your English book. -- ____________.
-- ___________, is this your ruler? – Yes, it is. Thank you.