A).根据句意，用括号中所给词的正确形式填空，每空一词。

36. Yesterday was my son’s _______ (twelve) birthday, he was very happy.

37. The more I said, the _______ they felt. (angry)

38. When you have difficulty_______ (solve) the problems, please ask me for help.

39. The new robot is moving around _______ (free) in the office.

40. The books ___▲___ (write) by Guo Jingming are popular among the students.

B).根据句意、汉语提示写出单词的正确形式,每空一词。

41. Tony is 16 years old , I think he can look after ___▲__(自己) well.

42. Many Chinese have trouble using a knife and fork __▲__ (正确地).

43. Yellow can __▲__(提醒)you of a warm, sunny day.

44.The book says that they were the first __▲__(移居者) on this island.