He went to bed ____, and when he woke up he found he still had his shoes on.
With all the novels he was interested in , he left the library and went back home.
——Do you know the answers to these questions asked by your little brother?——Of course not, but I can’t let him know .
My uncle _________ in Taiwan for 20 years. Now he has settled down in mainland.
The book Robinson Crusoe ________ on the book by Daniel Defoe is well worth ______.
If it was not an accident, he must have done it ___________.