Without ____electricity, how can we search for information on ____Internet?
______ Spring Festival coming, train tickets must be purchased two weeks in advance.
The boy ______ in the teacher’s office was found ______ yesterday.
What is the way George thought of ______ enough money to buy the house?
Only then _________ that I can erase the wrong words I have written, but I can’t erase the things I have done.
How can she keep smiling after what she’s ____________?