Please excuse me _______ your letter by mistake.
When I graduate from this famous university, I'll __________ what I have learned to everyday life.
—I heard you went to Hainan the other day. —So I did. That was the third time that I __________ there.
A notice was placed by the river bank warning people to__________ the thin ice.
The place _______interested me most was the children's palace.
On receiving a phone call from his wife __________ she had a fall, Mr. Gordon immediately rushed home from office.