Helen is a thoughtful girl. — Yes. I think she is _____ plan everything well.

I ‘m sorry . I ___ your notebook at home.— That’s all right, but remember to ____ it here tomorrow.

How time flies ! Several years _____ since we last met at Jack’s Party.

______ will be our teacher of English in the coming year?—Mrs. White, I guess.

Is this ________ key, Tom? —No, that one is ________.