—Where______my trousers?—______on the bed.A、are, They’re B、is, It’s C、are, It’s
Let’s try our best to ____ paper to save the trees.
We tried to stop the flames from spreading, but we knew it was ____.
My parents go to work by bike ____ by bus.
This is ____ for the table.
I like learning English ____ speaking it with my friends.