The problem is so difficult that she could ____work it out. A.hardly B.usually C.still D.often
问题描述：
The problem is so difficult that she could ____work it out. A.hardly B.usually C.still D.often
答
A.hardlywhy太难了，所以几乎做不出来，只有hardly是几乎不的意思其他三个都是肯定的答案