It was not until the 18th century that man realized that the whole of the brain was involved in the working of the mind, ?
—Smoking is bad for your health. — Yes, I know. But I simply can’t ____.
– Do you know the West Lake in Hangzhou? – Yes, this is the third time that I ____ this beautiful city.
We’ll have to finish the work, ____.
His teacher insisted that he ____ his hair ____ the next day.
Oh, it’s you! I never ____ meeting here.