汽车冲下山坡，瞬间起火。

The car plunged down a hill and ___burst ___into ___flames.

当我们打开它时，它突然着火，我们还没来得及扑灭，火就烧毁了我的书桌。

When we turned it on, it ___burst ___into ___flames and before we could extinguish it, the fire destroyed my desk.

过热的发动机突然起火。

The overheated engine suddenly ___burst ___into ___flames.