A growing number of people are beginning to believe that learning new skills and knowledge _________ more promotion opportunities.

She won’t be able to come next week, because she _________ herself in Mount Tai then

___, I think, and the problems could be settled

Excuse me. I wonder ____________.—Turn left. There’s a supermarket next to the park.

What’s the problem with the car Have you checked the engine–Yes, I did twice; there _________ be anything wrong with the engine.