The air conditioner Mary has just bought is very hard to use.
Long ago, women were_________to vote in political elections.
__________ John Kennedy was elected president, he was the youngest American President ever.
______ 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.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
Standing on the tip of the cape,____________________ .
Michael looked deeply hurt and surprised when_____________________ .
We must push the piano to the corner of the hall to_____________________ our party tonight.
Education in many countries is compulsory________the age of 16.
_______ has been a topic of continual geological research.