Some of you may have finished unit one. _____, you can go on to unit two.
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.
They soon ______ doing the same thing day after day, and finally gave up.
I like to listen to music ______ I’m having a walk in the evening.