41. Unless we hurrp up, We will miss the train

42. My friend said he/she had seen my brother in the park the day before

43. My father hasn’t seen his brother for nearly twenty years

44. Because he had a headache, He stopped working

45. I was given a present on my last birthday by Jane

41. We will miss the train if we don’t hurry up.

⇒ Unless we hurry up, we will miss the train.

42.My friend said, “I saw your brother in the park yesterday. ”

⇒ My friend said that she had seen my brother in the park the day before.

43. It’s nearly twenty years since my father saw his brother.

⇒ My father hasn’t seen his brother for nearly twenty years.

44. He stopped working because of having a headache.

⇒ Because of having a headache, he stopped working.

45. Jane gave me a present on my last birthday.

⇒ I was given a present by Jane on my last birthday.

~Good luck~