For sustainable development, the government has decided to give to those energy conserving and environment-friendly business in many aspects.
The car ____ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.
In 1927 Benjamin Franklin founded one of the first adult-education organizations, ____ the Junto.
_________ an old woman,the room was empty.
—Where is your sister? —She’s gone away __________ the weekend.
She doesn’t know anyone here.She has got __________ to talk to.