s a special number, ________ I suppose,that will be remembered by the Chinese forever

Fully ________ in preparing for the coming exam, she no longer has time to enjoy the various activities in her neighborhood.

ziness ________ his failure; that is to say, his failure _______ his laziness.

If you have any difficulty with this paper, you can _______ your notebooks.

He is an touristand he has interesting experiences.