题目内容
—What do you want to be when you grow up?
—I want to be _________ social worker. Many people are in great need of our help.
—I want to be _________ social worker. Many people are in great need of our help.
[ ]
A. a
B. an
C. the
D. 不填
B. an
C. the
D. 不填
A
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