The boss wants to keep his shop _______ for another three hours.

Don’t you think it too expensive—Never mind ________ the price is; if it is what we need we’ll buy it.

Brian does work hard.—Yes. of his time been spent on studies every day.

Get involved in sports or other activities you enjoy______you can meet people who like what you like.

(2013·合肥一中二模)The school recommends parents ________ their children to swim in rivers or lakes during summer holidays.