How often do you play basketball -_______. I am too busy to relax myself.

In the global economy, a new drug for cancer, it is discovered, will create many economic possibilities around the world.

－How do you like our restaurant?－I couldn’t have found a ________ one.

What ______shame it is to leave my daughter behaving impolitely in ________ public.

I would like a job which pays more, but ____ I enjoy the work I’m doing at the moment.[ ]