He teaches ____ piano and ______ violin.
Education in many countries is compulsory________the age of 16.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
_______ has been a topic of continual geological research.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
Regular exercise and good diet will bring______fitness and health.
Michael looked deeply hurt and surprised when_____________________ .
Standing on the tip of the cape,____________________ .
It is stated in the passage that____________________ .
She asked me______I was looking at.