What's this?
a canyon
What's this?
a coral reef
What's this?
a waterfall
What's this?
a river
What's this?
a cave
What's this?
a volcano
What's this?
a battery
What's this?
a torch (Br.) /a flashlight (Am.)
What's this?
a rope
What's this?
a lamp
Who is he?
a scientist
Who is he?
a photographer
What is he doing?
He 's exploring.
What is going on?
He/she charges the phone.
What is he doing?
He is turning the lights on /tHe is turning the lights off
