例句：
1、We must not run a newspaper behind closed doors.
我们不能关门办报。
2、The evening was closing down tranquilly.
暮色正在静悄悄地笼罩下来。
3、Museums are closed to the public on mondays.
博物馆每逢星期一闭馆。
4、They'll close it up next spring.
明年春天，他们就会把它封盖起来的。
5、He eased out, closing the door quickly.
他侧身挤出，赶紧把门关上。