----Would you permit me ____ here?---- Sorry, we don’t permit ____ in the library according to the rules.
– Tom has made great progress in spelling. – So he has and _____.
The mayor will go to Beijing by train _____ by air.
Living in a big city has many _____, such as good schools, libraries and convenient traffic.
Father _____ goes to the gym with us although he dislikes going there.
– I’m very tired. – We really should stop _____.