Can you list the problems _______ poor and countries?
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
Standing on the tip of the cape,____________________ .
Tom: "___________________ " Mike: "I won't say no!"
Education in many countries is compulsory________the age of 16.
__________ John Kennedy was elected president, he was the youngest American President ever.
We must push the piano to the corner of the hall to_____________________ our party tonight.
Regular exercise and good diet will bring______fitness and health.
______ his brother, Mike is active and friendly.
I am sorry I have no time at present to____________________ detail of our plan.
The phrase "keeps sellers on their toes" in the passage mostly means "______".