Why did Nick have to jump without the parachute?
A、 Because it could not be found.
B、 Because it could not be opened.
C、 Because it caught fire.
D、 Because it was stuck under the seat.
出自:大学英语

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块