- It's raining heavily outside.- _______, I will go back home because my son has been left alone at home.

—Can you come and give us a talk on Thursday or Friday?—I am afraid ______ day is possible. I am very busy these days.

Math is boring and       difficult.

My brother is good at drawing, but he doesn’t like exercising , I don’t,________.

--_________do you have PE lessons?--Three times a week.