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
查看答案
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