Every year lots of trees _______ to make our country morebeautiful. A．is planted

I’m not sure whether this is the room ________ she left her dictionary.

If you don’t know a word, you may ______ in a dictionary.

He realized his mistakes and took action to reduce theloss _______ it was too late.A．until

Coffee, which is becoming more and more popular, was first grown in _______ is now part of Brazil.