16. The river, ______the bank are covered with trees, is very long.
The doctor __________ that the little boy should often be taken out for fun.
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.