I’d love to join in your visit to a local museum today, but I’m on a very tight ________ -I’ve got a lot of work to do today.

My daughter thought shewas________ when I asked him for the advice on the new plan.

Have you finished your project, Alice? —I’m afraid I forgot about it

Why didn’t you keep your words，Billy?—Sorry, dear. But I really forgot where I was ________ to meet you.

I’m in Class 4. Are you in Class 4, ____ —Yes, I am.