—What do you think of John?—He’s a good boy, but he ______ be really stubborn at times.
—Jenny, did you see the manager ______?—If I had been there 5 minutes earlier, I would have met him.
In the US they focus on creative thinking skills, _____ in China they only focus on theory.
The Yangtze River, China’s longest, has been affected by a severe drought, _____ the lowest level of rainfall this year since 1961.
As ______ child, Salk did not show any interest in ______ medicine or science in general.
No matter how I tried to read it, the sentence didn’t ______to me.