It’s the office! So you _____know eating is not allowed here.— Oh, sorry. [ ]

Now then, children, Its time you ________.

In modern society, alternative energies __________ traditional ones are playing an important role in our daily lifeThat’s just because scientists have made great breakthroughs _________ the development of science and technology

I’m thinking of the test tomorrow. I’m afraid I can’t pass this time.— ______! I’m sure you’ll make it.

Your digital camera is quite nice. Where did you buy_________ I want to buy _________， too.—On the Internet.