Bill and his friends ______ in the park yesterday.They ____a barbecue together.A. are…have B. were…have C. were…had
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.