People tend to love agricultural products ________ without the use of fertilizers, pesticides or chemical additives.
Please give the ticket to ___ you think is the most suitable in my office.
__________ she couldn’t understand was_________more and more students showed little interest in their lessons.
He suggested that a new library_________ near the key high school.
Oh, I’m not feeling well in the stomach. I _________ so much mushroom this morning.
—Is Pro.Smith giving the speech today?—It__________ be him. He is abroad right now.