单句改错I look forward to visit my friends.Could I use your pen?Yes ,you could.What was happened yesterday?I had read the book three times since I bought it .
Uncle Ben will also go back for Christmas.
…and let you know when the book you want has returned.
Books may be keep for four weeks.
Charles and Linda were seeing near the top of the building.
I‘d like to your pen-friend, and get to know more about your country.