题目内容
It was _______ problem that _______ of the students could work it out.
A. such a hard; few B. so hard; a few
C. such hard a; few D. so a hard; a few
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题目内容
It was _______ problem that _______ of the students could work it out.
A. such a hard; few B. so hard; a few
C. such hard a; few D. so a hard; a few