Kids won’t go to school. They will study _____ home ______computers.A. at, on B. in, on C. at , by
It _______ that they will have the final exam next week.
There are two cars in front of the building. One is red and ________ is black.
If more trees ________ , our city will be more and more beautiful.
This brush pen is made _______ bamboo.
Although he lives _______ , he never feels ________ .