Relative humidity is the amount of water vapor the air contains at a certaintemperature______ with the amount it could hold at that temperature.
We must push the piano to the corner of the hall to_____________________ our party tonight.
She asked me______I was looking at.
The examination was not very difficult, but it was_____________________ long.
The word "allocated" in the passage mostly means "______".
The boat was sailing north when a terrible storm_____________ .
Education in many countries is compulsory________the age of 16.
It is stated in the passage that____________________ .
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
__________ John Kennedy was elected president, he was the youngest American President ever.