单项选择题

It is essential that applicants whose first language is not English ______ sufficient linguistic competence to avoid any delay or difficulty in pursuing their studies.

A. had obtained
B. would have obtained
C. should have obtained
D. must obtain
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单项选择题
As a central element of the Zero Hunger Programme, family farming ______ about 40% of agricultural production in Brazil.
A. counts for
B. accounts for
C. consists of
D. admits of
单项选择题
He took away ten papers, but only seven were in his pocket. What had become ______ three
A. of another
B. with others
C. with the other
D. of the other
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