There will be fewer workers in factories because most work _________ by robots in the future.( )
is done
was done
will be done
will do
-____you ever ____with a group? -Yes, I have .
---_______ he _______ from Beijing? ---No, he _______.
------ __ does your father go to see your grandmother ? ------Once a month .
study in Lufu Middle School?
I always tell my students _________ on the road because it’s really dangerous.