1Mary was always singing high praise for her role in the office, _______,of course,made her colleagues unhappy.
There is no doubt ______the boxes were then put on a train .
Yao Ming soon became part of the national team.
Although it ________ as hard as ____stone, it easily melts when ______.
Our English teacher is ill, and we are all ______ her health.
Mrs. Johnson, our neighbor, often ______ the dog in the park after supper.