A: What nationality are you
B: I’m Canadian. I was born in Toronto.
A: Oh, yes. That’s the capital, isn’t it
B: No, no. Ottawa.

Which city is the capital of Canada().

A．Algae has existed for more than 430 million years.
B．It is impossible that algae might be the earliest plant on land.
C．Plants get food from animals in the oceans.
D．Evolution began after animals appeared on land.

A．By bus.
B．By taxi.
C．In their own car.