He is seldom, ______, absent from school.
It is ten years _____ I lived in Nanjing, so I know ____ about what it is like today.
Safety in school has been of great concern because of the frequent reports ____ students got injured or killed while in school.
I got the job I _______ for. The boss picked me out of 30 applicants.
—The product carries one year’s guarantee. ________ I am covered if it doesn’t work?—That’s right, _______ it’s damaged.
Determined to devote himself to those poor children, he chose to teach in a western province, though he _______ in the city for a better life. A could stay B would have stayed C could have stayed D had stayed