问题
选择题
—Did he work out the math problem?
—No, he thought hard, but could not ______ with a proper answer.[ ]
A. put up
B. turn up
C. show up
D. come up
答案
答案：D
搜题请搜索小程序“爱下问搜题”
—Did he work out the math problem?
—No, he thought hard, but could not ______ with a proper answer.[ ]
A. put up
B. turn up
C. show up
D. come up
答案：D