It is impossible for all the people to get jobs because ______ of them are not fit for them.

The light in the office is still on. —-Oh, I forget ______.

There is salt in the kitchen. Would you like to go and get , Tom–OK !

Will you go to the net bar (网吧) with me—Sorry, my parents always warn me ______ there.

17．I ______ you my bicycle, but I didn’t expect you would come back so soon·