题目内容

In my job, I am _________ buying the raw material necessary for the car production.

A. take responsibility of
B. responsibility in
C. responsible for
D. responsible in

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I _________ finding the best material at the best price.

A. proud in
B. proud of
C. make pride in
D. take pride in

The _________ of our production means we have cheap products.

A. efficiency
B. affection
C. effect
D. affect

In 2017 the exchange rate of the currency _________ 7.49 for a dollar.

A. drop down
B. dropped to
C. drop to
D. dropped down

To get all the _________ necessary to become an electrician, you have to go to college for three years.

A. qualified
B. qualifying
C. qualify
D. qualifications

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