Do you know _______in Japan? [ ] A. when
题型:选择题
问题:
Do you know _______ in Japan? [ ]
A. when nuclear (核) accidents happened
B. when did nuclear accident happen
C. when nuclear accidents happen
D. when do nuclear accidents happen
Do you know _______ in Japan? [ ]
A. when nuclear (核) accidents happened
B. when did nuclear accident happen
C. when nuclear accidents happen
D. when do nuclear accidents happen