—Could I open the door?—______. It’s very cold outside.

Would you like something to drink?Oh, no, thank you. Please____________________.

---- How about putting some pictures into the report?----________A picture is worth a thousand words.

 –I think students should have mobile phones to call their parents.- _____. They often use them to play games instead.

How often do you eat out?       ，but usually once a week．