Question 46. I often spend 15 minutes riding to school every day.

à It often takes me 15 minutes to ride to school every day.

Question 47. “I am going to take a part-time job this summer,” said he to his mom.

à He said to his mom that he was going to take a part-time job that summer.

Question 48. We can't celebrate a party this weekend.

à We wish we could celebrate a party this week.

Question 49. He cannot get married because he is too young

à He is not old enough to get married.

Question 50. It’s pointless to complain about her mistakes.

à There is no point in complaining about her mistakes.