When you talk, you have to at least make yourself             .

As a matter of fact,his remarks left me ______ about his real purpose.

This monument was built in honor of the scientist who was believed ______ the first telephone.

--- Where are you, Nancy?
--- Here in the sitting room, _______ to Professor Smith．

Canada is a country ______ many different nationalities as well as one with foreign immigrants ______ the majority of its population．

A few days after the interview, I received a letter       me admission to the university.

---Why are the housing prices in big cities going up all the time?
---One reason is that people are_______ into overcrowded cities in great numbers.

The computer is ________ to be one of the greatest inventions of the 20th century．

China successfully held the 29th Olympic Games,fulfilling the promise Beijing ______ in its Olympic bid.

Though       money, his parents managed to send him to university.