Don’t leave a child （) in a room with open fire.A.loneB.lonelyC.alone

Don't leave the room until you're ______, Peter!

A．told

B．told to

C．told to do

Don't leave your books near the open fire. They might easily ______.

A．catch to fire

B．catch fire

C．catch up fire

D．catch with fire

A: Would you mind sending champagne and strawberries to my room at 1 a.m. please？ B: ______.

A．Though I don't mind it, I'm sorry we're short of hands recently.

B．I'll try, madam, but on Wednesday the kitchen staff leave at midnight.

C．Sorry. We don't have champagne and strawberries in our restaurant for the time being.

D．Excuse madam, but I don't think it is convenient to send you champagne and strawberries to your room at 1 a.m.

Don't ______ things about and make the room dirty.

A．give

B．do

C．leave

Good travelers don't leave ______ on trains or airplanes.

A．rubbish

B．litter

C．garbage

D．pollutant

A．open

B．opened

C．opening

D．being open