—Mom, this is my new friend, Jack.— _________.

—What does your sister look like? —______________________.

—My family usually holds a big party for my birthday, but I want to try a different way this year． —         .

 – Why don’t you join me in the computer games? -- _____________.

 --- I think students should have mobile phones to call their parents. --- _______. They often use them to play games and chat with friends instead