As ______ child, Salk did not show any interest in ______ medicine or science in general.
In order to have _____ better understanding of the accident, the three witnesses were called for _____ second meeting.
—Thank you for giving us a wonderful Chinese dinner, Ms. Wang. —__________________.
Iraq has __________ too many wars since 1990, making his people __________ a lot.
I could tell he was surprised from the ________ on his face.
--- Has Mary come back yet? --- Yes. She has got many books from her elder schoolmates, and the number ___ 1000.