问题补充：
We have made up our minds to teaching after we graduate from college.
A. take in
B. set in
C. set up
D. take up
答案：
A. take in
B. set in
C. set up
(答案→)D. take up
解析：短语辨析。take in吸收，理解；set in开始，到来，上涨；set up建立，设立；take up从事，占据。句意：我们下决心在大学毕业后从事教育工作。所以选D。
