-What is the policewoman doing?
-She raises her arm as a(n) _______ for us to stop.
| A．signal |
| B．mark |
| C．application |
| D．goal |
---Ann looks hot and dry.
---So _______ you if you had a high fever.
| A．do | B．are | C．will | D．would |
--- Why on earth didn’t you answer the door?
--- I’m terribly sorry, but the telephone _______, too.
| A．is ringing | B．was ringing | C．rang | D．was about to ring |
Look, _______ fashionable clothes is he wearing that all the eyes are fixed on him!
| A．so | B．what | C．how | D．such |
When the post fell _______, Dennis Bass was appointed to fill it.
| A．empty | B．blank | C．vacant | D．bare |
Many firms give away small quantities of their productions as _______ so that people can try them before buying.
| A．signs | B．signals | C．examples | D．samples |