Which computer is cheaper?
Number 1
Which subject is more difficult?
Math
What things can we do with a mobile phone?
...
What can we use to play games?
Computer, mobile phone, tv
Which is more old-fashioned?
Number 1
Which is more exciting?
,,,
What is she doing?
She's talking on the phone
What is this? Did you write one of these?
It's a postcard.
Which is more modern? The mountain, the desert or the city?
The city
Which is more modern? The mountain, the desert or the city?
The city
Which is more modern? The mountain, the desert or the city?
The city
Which activity is more boring? Going to the theatre, riding a bike or going to an amusement park?
...
