—Catherine, I have cleaned the room for you.—Thanks. You _____it. I could manage it myself.
The experiment, though they had tried their best, ________ to be a failure.
Mr. White promised that he would tell me the result _______ he knew it.
We waited for her for a long time, and it was getting late when she finally _________.
【原创】I caught the last bus from town, but Harry came home___________ that night.
【原创】We will take________ wants to go there for a sight - seeing.