When on holidays, the railways put on _______trains to make people’s travel more convenient.
_____leaves the office last must close all the windows and the door.
It was not until he went abroad for further study______Li Ming realised the importance of English.
.When you finish reading the book you will have____better understanding of _______life.
—Would you please take this box along to the office for me? —_________
Tom took the police to the spot ____ the accident happened.