Let's learn to use the problem we are facinga stepping-stone to future success.
There was a terrible noise __________ the sudden burst of light.
—On my part, we'd better invite some of our school friends from other grades to our party.
—Do you mind if I use your dictionary?—__________.
The first textbooks __________ for teaching English as a foreign language came out in the 16th century.
—Could you tell me where the Sleeping Beauty Castle is?—__________.