Question

【題目】The boy cried because he broke his toy car __________ accident.

Answer 1

【答案】by

【解析】

句意：那男孩哭了，因為他不小心把玩具車弄壞了。

根據“The boy cried because he broke his toy car”可知是不小心，偶然，意外，這里用by accident偶然，意外。根據題意，故答案為by。