145. The nation was reunited and the slaves were ______ when the North won the Civil War in American history.
Jack is ill, so we’ll have no choice but to give the performance ______ him.
--I failed again. I wish I ____harder. ----But you _____.
----Please give me that book. -----______ -----To have a look at it.
The light happened to _______.
I can’t wait _______ the result of the exam.