问题
选择题
—What a hard problem!
—Maybe Bob will _____ with a good solution to it.[ ]
A. come up
B. make up
C. catch up
D. use up
答案
答案:A
—What a hard problem!
—Maybe Bob will _____ with a good solution to it.[ ]
A. come up
B. make up
C. catch up
D. use up
答案:A