_____ , there are black holes in space.
Supporters of free-market globalization point out that_____________________ .
Tom: "___________________ " Mike: "I won't say no!"
I am sorry I have no time at present to____________________ detail of our plan.
It is stated in the passage that____________________ .
The word "allocated" in the passage mostly means "______".
__________ John Kennedy was elected president, he was the youngest American President ever.
He_______________us but he was short of money at the time.
We must push the piano to the corner of the hall to_____________________ our party tonight.
_______ has been a topic of continual geological research.
Regular exercise and good diet will bring______fitness and health.