The girl looked at me with a ________expression at the ______ computer program.

If you tend to regularly suffer from a certain symptom like headache, be sure to keep in store the       medicine to take care of the issue as soon as it starts.

(2013·高考天津卷)I think watching TV every evening is a waste of time—there are________  meaningful things to do.

. ---Have you paid your phone bill? --- No, the bill is _____ at the end of the month.

The British Museum, I think, is ________________ during the summer break.