Some scientists think that it may take ______years to make robots look like people, and do the same things as us.
You can imagine _________ strange it was! A. what a B. how C, what
Do you know when the first train __________ in China? A. was produced B. is produced C. Produced
Alice found _______ not easy to get a driver’s license. A. itB. that C. This
If you meet some new words, you'd better ________ in a dictionary. A.look out them B.look up them C.look them up
—I think she should stop wearing those silly earrings. —________. I like those earrings. She looks so cool. A. I disagree. B. I think so. C. I agree.