Great scientists don't ________ graduate from well-known universities. Some didn't even attend school a year in total.
The reason why I didn't go to Shanghai was ________ a new job.
________ makes mistakes must correct them.
"Is Mary from New York City " "I don't know _______."
His success was because of ________ he had been working hard.
Although he didn’t expect _______ me here, he advised _______ to the nearest restaurant.