______this way, one of _____the favorite drinks was invented. A. In; world’s B. By; world’sC On! World D, To; world
_____the time I got to the bus stop, the bus had already left.
---Don’t worry. Your brother is coming to help you. ---________ he doesn’t come?
---Listen! Peter is singing in the classroom! ---It _____ be him. He has gone back to his hometown.
---What are these bottles? ---Drinking water.
There was _____ woman in the room, sitting and looking at me in the dark.