Some scientists think that it will take __ of years to make robots do most work for humans. A. hundreds B. hundred C. thousand
---What can I do for you? --- I’d like_______.
Today, ____ trees are still being cut down somewhere in the world.
I have to study ____ my English test ______ Wednesday morning.
Thanks a lot for ______ me ______ your party.
Mr. Li often tells some jokes to make us_______.