A-A+
His dog is chained in the day time but is ____
问题详情
His dog is chained in the day time，but is ______at night.
A. at large
B. so large
C. very large
D. in large
参考答案
正确答案：A
[解析] at large为固定用法，意为自由的，未被捕，未缚住的，此句意为他的狗白天被拴着，但一到晚上便放开了。故选A。
考点：
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