51. Thank you for your postcard f the Great Wall.
52. Tony is e breakfast.
53. He is taking many p with his friends in the park.
54. —Are you free at this m ? Let’s play football.—OK.
55. The baby is s ，so be quiet. Don’t wake it up.
56. We are v the Forbidden City.
57. Lingling and Betty are w postcards.
58. At this moment, they are e the school trip.
59. Don’t l and read in the sun. It’s bad for your eyes.
60. Can you s me a postcard?
He ice cream.
she to her mother?
they for the bus?
The foreign visitors the Bird’s Nest.
They Beijing tomorrow.
66. They are playing the piano.（改为否定句）
They the piano.
67. I’m playing with my brother.（改为一般疑问句）
playing with your brother?
68. He is watching TV at home.（就画线部分提问）
69. We’re looking at the homes of the film stars.（就画线部分提问）
70. Can you send him a postcard?（改为同义句）
Can you send a postcard him?
提示:enjoy the school trip; write to; visit many places; some are…; talk on the phone; have a good time