________his assistance in those days, I would not be so successful now.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
We all agree that she is____________________ student in our class.
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
Tom: "___________________ " Mike: "I won't say no!"
There has been a great increase in retail sales,_____________________ ?
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
Only one of our gifted students______to participate in the final competition.
I am sorry I have no time at present to____________________ detail of our plan.
Education in many countries is compulsory________the age of 16.