average, call center workers in the company make between $ 9 and $ 14 an hour.
A. On
B. With
C. Over
D. To
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The mechanical trouble has prevented them from finishing the task on .
A. duty
B. order
C. time
D. plan
The school was _______ in 1929 by a Chinese scholar.
A. established
B. placed
C. imaged
D. made
The task will not be fulfilled ___________we get help from the other departments.
A. if
B. unless
C. since
D. when
Vitamin B enables the body to _____________ full use of the food we taken in.
A. make
B. reach
C. put
D. bring