根据所给句子,选出正确的图片,将序号填在题前括号内。
( ) 1. Please come here. ( ) 2. Go back to your seat, please.
A B A B
( ) 3. Open your books, please. ( ) 4. Put down your hands, please.
A B A B
( ) 5. —Goodbye, Mum.
—Bye-bye, Lingling.
A B C
( ) 6. —Good morning, Guoguo. How are you?
—I’m fine. Thanks.
A B C