Checking your answers before handing in your paper can help you __________ mistakes.
--Have a good day, Kate!-Thanks!_______
--Are those the ______ books? -- No, they are ______ books.
It’s late. David washes his face _______ goes to bed.
Let ________come here.
--The book is very good, but I don't have the money 钱. --You can your mother some money.