第二起事故涉及两辆汽车和一辆卡车。

The second accident ___involved two cars and a lorry.

很难不将孩子的父亲纳入安排中。

It would be difficult not to ___involve the child's father in the arrangements.

她写信告诉我，我们的朋友在一场涉及吸尘器的奇怪事故中去世了。

She wrote to tell me that our friends died in a strange accident that ___involved a vacuum cleaner.