51. 你看起来很酷.You ___________very __________.

50. 这群人正躺在沙滩上。The group of people are _________ on the ___________.

49．看，他们正在给孩子们照相。Look! They _______ _______ ________ of the children.

48.你看电视时你妈妈通常干什么呢？

　 What _______ your mother usually ________ when you are watching TV.

47. 看！他们在公园里玩得都很高兴！

Look! They are _______ _______ ________ ________ in the park.

46.　 –北京的天气怎么样？ --在下雪呢。

---_______ is the _________like in Beijing? It __________ ___________.

45.Betty does her homework at home.(否定)Betty ________ _______ her homework at home.

44. The people are enjoying themselves.(同36) The people are ______ ______ ______ _____.

43. It is cloudy in Beijing today. (提问)　 _________ _______ the weather in Beijing today?

42. My brother is reading a book.(否定句)My brother ______ ________ reading a book.