______ is often the case is that Tom doesn’t study hard and fails in passing an exam.
I was driving on the highway __________a car went past followed by a police car, both of _______ must have been running at a speed of 150 kilometers per hour.
—Hey! Here is a message on my cell phone, telling me to send money to…—Delete it. It is a trick. Many a person __________by such tricks so far.
Don’t be angry with her. She made the mistake by chance, not _________.
Celebrating Valentine’s Day came into __________ fashion many years ago in China, and flower shops can sell dozens of roses __________.
—Thanks for your help, but can you do me one more favour, please?—______ , Sir. What’s it then?