Some scientists think that it may take _________years to make robots look like people, and do the same things as us.
A. hundreds of B. two hundreds of C. two hundreds
—When will you hand in your homework?
—Sorry, I’m not sure. I _______writing it yet.
| A．didn’t finish | B．don’t finish |
| C．isn’t finishing | D．haven’t finished |
— IPhones and iPad are so popular these days.
—Yes, they can ______our eyes to the outside world.
| A．open up | B．turn up |
| C．call up | D．think up |
— We will play football _________Class 4 tomorrow. — Good luck.
| A．over | B．against | C．to | D．For |
My father gave me much________ on how to make a kite.
| A．advice | B．idea | C．problem | D．Question |
— Do you mind if I sit here? — __________ It’s for my friend Cindy.
| A．Not at all. | B．No, I don’t mind. |
| C．Better not. | D．That’s all right. |