问题
选择题
We are too busy to take _____ holiday at _____ present.
[ ]
A. a; the
B. a; /
C. the; the
D. /; a
答案
答案：B
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We are too busy to take _____ holiday at _____ present.
[ ]
A. a; the
B. a; /
C. the; the
D. /; a
答案：B