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题目内容
(陇东学院-大学英语(专升本))
20. (单选题) I think it quite essential that your child ___ a foreign language at school.(本题5.0分)
A、 must learn
B、 learns
C、 learned
D、 learn
A、 must learn
B、 learns
C、 learned
D、 learn
参考答案