---Have you seen _____ Audi car? I parked it here two hours ago, but now it’s gone!---Is it _____ black one? A young man has just driven a black car away.
Her family__________much larger than mine four years ago.Her family__________dancing and singing when I came in last night.
A knife and a fork __________on the table.A knife and fork __________on the table.
Many a professor__________looking forward to visiting Germany now.Many scientists __________studied animals and plants in the last two years.
He is one of the boys who__________here on time.He is the only one of the boys who __________here on time.
What he’d like __________a digital watch.What he’d like__________textbooks.