题目内容:
Hardly __ when they ran toward it.
A.
had the plane landed A.had the plane landed
A.had the plane landed
B. did the plane land
B. did the plane land
B. did the plane land
C. the plane had landed
C. the plane had landed
C. the plane had landed
D. the plane landed
D. the plane landed
D. the plane landed
参考答案:
答案解析: