Ladies and gentlemen, I have the great privilege____introducing our speaker for tonight.

What’s this— It’s _____ eraser, and _____ eraser is Tom’s.

She was so sad because she failed in the math test. Let’s ______her _______.

Someone is ringing the doorbell. Go and see ____.

currentglobal economic crisis, China, though _______to some degree, is undoubtedly acountry recovering the most rapidly from it according to some statistics