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 up
C. come in
D. come over
答案：
A. come to
(答案→)B. come up
C. come in
D. come over
解析：考查动词短语：A. come to苏醒，到达，共计，突然想起，B. come up发生，上来，提到，开庭C. come in进来，D. come over过来，（情感）占据，句意：我现在得走了。学校发生了什么事，他们需要我。选B。
