It was not until yesterday ______ he returned _______ to know the news.
After you have learned something new, it is important that you try to _________.
Do you know the boy _______ under the big tree?
-What do you think of the book?-Oh, excellent. It’s worth ______ a second time.
Go on _______ the other exercise after you have finished this one.
There was a terrible noise ______ the sudden burst of light.