—Did you get up early to do exercise in the morning, Bruce? —Yes, quite early. I have to it. A. used B. became used C. got used
The dictionary mustn’t ________ from the library.
You will not succeed ______ you work harder.
--Tom,be careful not to drive to fast._________ . --Thank you for your advice.
We must do everything we can _________ our earth clearer and safer.
We all know that paper burns in _________ .