Unit 4 Topic 2 How can we protect ourselves from the earthquake?Section A
The telephone is useful.
telephone
The mobile phone is ___________ than the telephone.
mobile phone
The computer is _______________ of the three.
computer
Let's talk
more useful
the most useful
dangerous
football
basketball
baseball
Ask and answer with your partner according to 2b.
A：The __________ is dangerous.B: I think the ________ is more dangerous than the ________.C: Yes, but the _________ is the most dangerous o ...