Carl is studying ________ food science at college and hopes to open up ________meatprocessing factory of his own one day./;a B. /;the C. the;a D. the;the
Can you make sure _______ the gold ring?
It’s no good ________about his grades.
If he ________tomorrow, I could talk to him about it.
Ann is said ________ research in Africa, and she will come back next month.
The old man lived in a house, in front of which _____ with a history of 100 years.