11. _______ on the top of the hill is a monument, dating back to hundreds of years ago.
Though he started late, Mr. Guo played the piano as well as, if ______ ,you do.
After recovering from his illness, he was advised to ______ gardening as a hobby.
Weather ______, we'll go out for a walk.
Accustomed to ______ the steep mountains, he had no difficulty reaching the top.
Not until he left his home ______ to know how important the family was for him.