问题
选择题
. A variety of courses ________ offered to enrich the students’ background knowledge of the English-speaking countries.
A．were
B．is
C．have
D．has E) /
答案
答案：A
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. A variety of courses ________ offered to enrich the students’ background knowledge of the English-speaking countries.
A．were
B．is
C．have
D．has E) /
答案：A