It’s high time that you _____ even harder at your lessons as the exam is around the corner.[ ]

You’d better hurry up, my boy.—- Just a moment. It won’t _____ me long to changemy clothes.

If you can’t find the place, I’ll show you____.

I have coffee to refresh myself recently.- Is that so? If you _______, make sure you limit it to one cup a day.[ ]

weren’t you at school yesterdaymorning,Li Lei —_________,sir