—Bob, could I ________ your camera? I’ll need it at my party.—Sorry. I ________ it to my friend yesterday.A. borrow; borrowed B. borrow; lent C. lend; borrowed
He is tall, _____ his son is short.
What can we students do _____ the environment?
There are five people in the room, but I know _____.
—What did our geography teacher say? —She told us that the earth _____ around the sun.
—Lily, _____ you _____ your ticket? —Not yet!