问题补充:
The scientists are beating their brains, trying to a solution to the problem.
A. look up to
B. live up to
C. come up with
D. keep up with
答案:
A. look up to
B. live up to
C. come up with
D. keep up with
解析:可联系答.案.网客服索取。
时间:2022-11-20 03:14:39
The scientists are beating their brains, trying to a solution to the problem.
A. look up to
B. live up to
C. come up with
D. keep up with
A. look up to
B. live up to
C. come up with
D. keep up with
解析:可联系答.案.网客服索取。