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 D. hundreds
I think he is a student, ____?
A. don’t IB. isn’t heC. is heD. do I
What ____ sad news! We can’t get the movie tickets.
A. a B. an C. the D. /
When she _____ the newspaper, the baby _____ asleep.
A.read; fell B.was reading; was falling
C.read; was falling D.was reading; fell
Could you please ______ such a thing again?
A. not to do B. don't do C. not doing D. not do
It ____ me two hours to finish the work last night.
A. spent B. spend C. take D. took