题干
—I can’t find the answer to the question .
—Think hard, and you can_______.
A：work on it
B：work it on
C：work out
D：work it out
答案(点此获取答案解析）
D
—I can’t find the answer to the question .
—Think hard, and you can_______.
A：work on it
B：work it on
C：work out
D：work it out
