He lost his job three months ago; , he was seriously injured in an accident last week.

Believe it or not, I passed the driving test at the first attempt yesterday— Great! But remember you can never be ___ careful when driving a car in the street

wy days, you have to drivevery to avoid traffic accidents

下列各句中，没有语病、句意明确的一项是 （ ）

The teacher frowned ___ annoyance when a studentfell asleep during his lesson.