—Jack, this is the third time that you have been late this week. —Sorry, sir, but I was ____ for 15 minutes on the way here in the traffic jam.
— Is Paul playing both soccer and tennis for the school? — He ______. But now he has given up playing tennis.
______ at failing in the math exam, John wouldn’t like to talk about it to his parents.
The form cannot be signed by anyone ______ yourself.
Some plants can take in carbon dioxide we breathe out and give ______ oxygen to us.
— If you like I can do some shopping for you. — That’s very kind of you for your ______.