I．听录音，选出你听到的句子。每小题念两遍。（共5个小题，每小题1分）
( ) 1. A. You should lock the door when you leave home.
B. You should close the door when you leave home.
C. You should close the window when you leave home.
( ) 2. A. He played basketball without having supper.
B. He played the guitar without having lunch.
C. He played computer games without having supper.
