问题补充：
I’ve got to go now. Something has just at school and I’m needed there.
A. come to
B. come in
C. come up
D. come over
答案：
A. come to
B. come in
(答案→)C. come up
D. come over
解析：此处come to谈到；come in进来；come up发生；come over走过来。句意：我必须得走了。学校发生了事情，那里需要我。根据句意选C。
