It was not _______she took off her glasses ______I realized she was my former classmate .
—Jane wasn’t in when Jack came,was she?—_________,but she returned a few minutes later.
.All _________is a continuous supply of the basic necessities of life.
Health experts in many countries still _________ their ideas about the relationships between our food and our health.
—Can I help you,sir?—Yes,I bought this radio here yesterday,but it_________.
The last time I _________ her,she _________at a medical college.