25. Do you think we might ________ with robots in the future?
A. lives
B. to live
C. living
D. live
26. Our future houses will use _______ energy and they are very friendly to the environment.
A. sun
B. solar
C. lunar
D. sunny
27. Pelé’s father was a________ football player
A. profession
B. professionalism
C. professional
D. profess
28.The Nile River is the ________ river in the world
A. the longest
B. longer
C. longest
D. long
29. My sister ________ to Hue before.
A. isn’t going
B. hasn’t gone
C. doesn’t go
D. didn’t go
30. We’d like some chickens and some rice ________ lunch.
A. at
B. in
C. to
D. for