—Some people believe that robots will take over the world one day.—What if that is the ________?
I found it very difficult to get ________up so early before, but I did finally_________.
The old man said the accident________ careless driving
I don’t think _________ is possible to master a foreign language without much memory work.
—Thank you very much for everything .You’ve been so helpful .—_ _.Just let me know if there is anything else I can do for you.
Please remind your grandpa to take medicine on time, for a man of his age ____be very forgetful.