have plenty of time tomorrow, so you_______ work too late tonight.

Do you still go to school in your mother’s car—No, since I started secondary school, I’ve come toschool by bike ______.

Nowhere in nature is aluminium (铝) found free, owing to (由于) its always____with other elements (元素) most commonly with oxygen.[ ]

Keep away from smoking, please! It’s bad for our health, for the students!

e, she’s losing her temper now. Let’s ______ her________.