suddenly什么意思,suddenly怎么读

m8-unit1_while_the_lights_were_changing_to_red__a_car_suddenly
测一测 根据句子意思和所给首字母填入适当的单词. 1.
关系 first, then, subsequently, finally, at last, soon, suddenly
suddenly, by the light of the lightening, we saw something in
prep是什么词性prep是什么词性的缩写