—What ________ to the boy a moment ago? —The knife cut his tiptoe. [ ]A. happen B. happens C. will h
[ ]
题目简介
—What ________ to the boy a moment ago? —The knife cut his tiptoe. [ ]A. happen B. happens C. will h
题目详情
—The knife cut his tiptoe.
[ ]
B. happens
C. will happen
D. happened
答案