Dinner is ready．Help yourself!—Wow! Thisdelicious．Could you please tell me how to cook it?

How many students are there in the classroom? — ．They are all in the lab．

What time do you usually get up,Rick? –I usually get up five o’clock.[ ]

What do you think of this math problem?—It’s too easy. _____ in our class can work it out.

He thought about going to Greece or Spain, but finally decided _____ Canada.[ ]