Would you like to join us?— Sorry, I’m not _______as any of you

Excuse me, would you mind answering a few questions?—Well, I don’t knowI’m in rather a hurry ________

you must have noticed the student whobroke the window. —I’m sorry. I _______ attentively.

Where do you often exercise -I often exercise in a park. It’s close to my house.

— John seems happy, even though his wife left him and he lost his job.— I think he ____ to put on a brave face.[ ]