问题
选择题
To improve his English,he spends _______ one hour a day listening to English programmes. [ ]
A. at last
B. at least
C. at once
D. at all
答案
答案：B
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To improve his English,he spends _______ one hour a day listening to English programmes. [ ]
A. at last
B. at least
C. at once
D. at all
答案：B
