问题补充:
Lily was talking to our teacher about examination, when suddenly Tom .
A. cut off
B. cut out
C. cut up
D. cut in
答案:
A. cut off
B. cut out
C. cut up
(答案→)D. cut in
解析:考查动词辨析:A. cut off切断,B. cut out剪下,C. cut up切碎,D. cut in插话,句意:莉莉正在和老师谈论关于考试的事情,这是汤姆突然插话。所以选D。