You can see the stars on a clear night, but in the daytime they are ____ .
| A．unavoidable | B．invisible | C．inaccessible | D．unavailable |
Living in a big city has many _____, such as good schools, libraries and convenient traffic.
| A．goodness | B．advantages | C．effects | D．uses |
Father _____ goes to the gym with us although he dislikes going there.
| A．hardly | B．seldom | C．sometimes | D．never |
– I’m very tired.
– We really should stop _____.
| A．to walk | B．walk | C．walking | D．walked |
WHO is short _____ the World Health Organization.
| A．of | B．for | C．to | D．with |
I soon found that the work I was doing had already been done, _____, I was wasting my time.
| A．in a word | B．in other words | C．so that | D．above all |