How can shefrom her illness in this room which is so dirty and dusty?

Tom failed in this math exam.

He was about to go to bed ________ the doorbell rang.

He’s just back from work, isn’t he—– ________. He is lying in bed in his own bedroom.

Everybody’s fingerprints are ________, so the police can easily find the thieves if any is left when they are stealing. [ ]