－I haven't seen Jack for three days. Is he ill?

－________. His mother told me that he was in hospital.

[　　]

This is ________ song I've told you about. Isn't it ________ beautiful one?

[　　]

The sign means________.

[　　]

A．Don't turn the lights off

B．Turn the lights on when you're in the room

C．Do not leave the lights on if the room is empty

D．Leave the lights on when you go

－What's one fourth and a half, do you know?

－Yes, it's ________.

[　　]

I don't care what you say, I believe I could beat you at chess ________ day of the week.

[　　]

I've made it possible for my computers ________ the same programs by means of networking.

[　　]

I'm looking at the photograph ________ you sent me with your letter.

[　　]

It's up to you to decide ________ you'll go there, by air or by road.

[　　]

I never seem to lose any weight, ________ hard I try.

[　　]

－Have you decided which you'd like to buy－the black skirt or the pink skirt?

－Of the two, the pink one is ________.

[　　]