You can never be _________ careful when crossing this busy road.
举一反三
- Be careful when ______ the road. A: [A] crossing B: to cross C: cross
- Be careful when you _____ the road.
- Be careful when you ________ the street. A: are crossing B: is crossing C: crossing D: is cross
- You can never be too careful when driving a car. What does the sentence mean?
- _____ when you cross the road. A: Do care B: Care C: Be careful D: To be careful